Oklahoma Hearing Instrument Specialist — Requirements & Free Practice
US-OK · License preparation
254 free questions · Answer explanations · No signup required
Choose what to practice
Start with an exam below. Your examination requirements depend on your application pathway. View licensing requirements
Choose an exam or combined practice to begin.
Licenses, application pathways and examination requirements
Each license and applicant pathway has its own requirements and exemptions. Choosing practice questions does not determine your eligibility.
Hearing Aid Dealer and Fitter License
Individual license for the fitting and sale of hearing aids regulated by OAC 310:266.
Licensing authority: Oklahoma State Department of Health, Consumer Health Service · Application information
Timely annual license renewal
- Continuing Education
- Evidence of ten clock hours in the hearing sciences completed during the previous year, approved by the International Hearing Society or Oklahoma Hearing Aid Dispenser's Association (OAC 310:266-5-7).
- Documentation
- Submit required documentation, including continuing education, updated addresses if applicable, a current receipt or contract template, a patient file template, audiometer conformity verification dated within the last three years, the percentage of clients tested under an exception, and sponsor information with temporary-permit supervision dates (OAC 310:266-5-6(b)).
- Fee
- Annual renewal fee of $50 under OAC 310:266-7-1(a)(6).
- License Status
- Existing license renewed before expiration.
- Posting
- Keep the current licensure certificate conspicuously posted in every place of business (OAC 310:266-5-6(a)).
Official no-examination sources
Effective from 2023-09-11.
- Oklahoma Statutes Title 63, Oklahoma Legislature
63 O.S. §1-1754, page 664
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-6(a)
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-6(b)(1)-(6)
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-6(b)(7)
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-7
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-7-1(a)-(b)
Initial licensure by examination
All of the following:
- HADF Practical Exam (assessment without a question bank)
At least one of the following alternatives:
- International Licensing Examination for Hearing Healthcare Professionals
- Hearing Aid Fitter/Dealer (practice unavailable)
- Application
- Submit a complete license application through the licensing portal and pay the $50 initial application fee (OAC 310:266-5-5, 310:266-7-1 and Department licensing instructions).
- Background Check
- Submit to a background check; a criminal record does not itself bar licensing and may be considered with other information (OAC 310:266-3-1(a)(3), (b)).
- Education
- A GED or high school diploma (OAC 310:266-3-1(a)(2)).
- Examination Costs
- Applicants are responsible for the full costs of examinations, re-examinations and background checks under 63 O.S. §1-1751; the CareerTech implementation states no fee is collected onsite from the candidate.
- Lawful Presence
- Submit an affidavit of lawful presence (Department licensing instructions).
- Minimum Age
- At least eighteen years old (OAC 310:266-3-1(a)(1)).
- Open Written Approval
- The Department may approve another written examination in addition to the named ILE and the currently offered CareerTech examination (OAC 310:266-5-3(c), 5-4(b)).
- Practical Retesting
- Wait at least seven days to apply to retake a failed practical section; previously passed sections need not be retaken if all sections are passed within the allowable timeframe (OAC 310:266-5-3(b)).
- Supervision
- A temporary permit holder receives direct on-site supervision until every practical section is passed, then indirect supervision until fully licensed (OAC 310:266-5-1(c)-(d)).
- Three Failures
- Three failures of a practical section or of the written examination cause temporary-permit revocation and a minimum one-year wait from the last failed testing date before reapplication (OAC 310:266-5-3(e)).
- Training
- Complete training with a licensed sponsor and obtain the sponsor's readiness attestation before the practical examination (OAC 310:266-5-3(a) and Department licensing instructions).
- Written Authorization
- The CareerTech examination requires original OSDH authorization and accepted current government-issued photo identification. Approval expires six months from the initial application date; retesting requires renewed OSDH authorization (CareerTech testing manual, page 25).
- Written Eligibility
- Submission of the practical-examination application establishes eligibility for the written examination (OAC 310:266-5-3(c)).
Late renewal of a license expired for no more than five years
- Continuing Education
- Evidence of ten clock hours in the hearing sciences completed during the previous year, approved by the International Hearing Society or Oklahoma Hearing Aid Dispenser's Association (OAC 310:266-5-7).
- Documentation
- Submit required documentation, including continuing education, updated addresses if applicable, a current receipt or contract template, a patient file template, audiometer conformity verification dated within the last three years, the percentage of clients tested under an exception, and sponsor information with temporary-permit supervision dates (OAC 310:266-5-6(b)).
- Fee
- Renewal fee of $100 after the thirty-day grace period under OAC 310:266-7-1(a)(8).
- License Status
- License expired beyond the thirty-day grace period but no more than five years; OAC 310:266-5-6(a) reserves repeat initial licensure for expiration greater than five years.
- Posting
- Keep the current licensure certificate conspicuously posted in every place of business (OAC 310:266-5-6(a)).
Official no-examination sources
Effective from 2023-09-11.
- Oklahoma Statutes Title 63, Oklahoma Legislature
63 O.S. §1-1754, page 664
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-6(a)
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-6(b)(1)-(6)
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-6(b)(7)
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-7
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-7-1(a)-(b)
Reciprocity for active duty military personnel and their spouses
- Application
- Submit the Department's reciprocity application and register with the Department (OAC 310:266-3-2(b), (d)).
- Background Check
- Submit to a background check; a criminal record does not itself bar licensing and may be considered with other information (OAC 310:266-3-1(a)(3), (b)).
- Education
- A GED or high school diploma (OAC 310:266-3-1(a)(2)).
- Equivalency
- The Department determines that the other jurisdiction's requirements are equivalent or higher and its qualification program equivalent or stricter; issuance is discretionary (OAC 310:266-3-2(a)).
- Fees
- No application fee or license fee for the first year under ODH Form 915; the rule exempts fees for the first period of issuance.
- Military Documentation
- ODH Form 915 calls for transfer orders or honorable discharge to Oklahoma and a valid military ID, submitted with the original application documentation.
- Military Status
- Active-duty military personnel and their spouses seeking reciprocal licensure are exempt from fees for the first issuance period (OAC 310:266-3-2(e)).
- Minimum Age
- At least eighteen years old (OAC 310:266-3-1(a)(1)).
- Other License
- Hold a current, unsuspended and unrevoked certificate or license to fit and sell hearing aids in another state or jurisdiction (OAC 310:266-3-2(a)).
- Verification
- Provide the Out-of-State Licensure Verification form completed by the licensing jurisdiction (OAC 310:266-3-2(c)).
Official no-examination sources
Effective from 2023-09-11.
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-3-2(a)-(d)
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-3-2(e)
- Military Reciprocity Waiver Application, ODH Form 915
ODH Form 915, instructions
- Military Reciprocity Waiver Application, ODH Form 915
ODH Form 915, occupational license selection
- Military Reciprocity Waiver Application, ODH Form 915
ODH Form 915, waiver documentation
- OAC 310:265 permanent final revocation
Final adoption, page 2, Gist/Analysis
- OAC 310:265 permanent final revocation
Final adoption, page 2, effective-date declaration
Licensure by reciprocity
- Application
- Submit the Department's reciprocity application and register with the Department (OAC 310:266-3-2(b), (d)).
- Background Check
- Submit to a background check; a criminal record does not itself bar licensing and may be considered with other information (OAC 310:266-3-1(a)(3), (b)).
- Education
- A GED or high school diploma (OAC 310:266-3-1(a)(2)).
- Equivalency
- The Department determines that the other jurisdiction's requirements are equivalent or higher and its qualification program equivalent or stricter; issuance is discretionary (OAC 310:266-3-2(a)).
- Fees
- Pay the initial license application fee of $50 unless the military fee waiver applies (OAC 310:266-7-1(a)(5), 3-2(e)).
- Minimum Age
- At least eighteen years old (OAC 310:266-3-1(a)(1)).
- Other License
- Hold a current, unsuspended and unrevoked certificate or license to fit and sell hearing aids in another state or jurisdiction (OAC 310:266-3-2(a)).
- Verification
- Provide the Out-of-State Licensure Verification form completed by the licensing jurisdiction (OAC 310:266-3-2(c)).
Official no-examination sources
Effective from 2023-09-11.
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-3-2(a)-(d)
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-7-1(a)-(b)
- OAC 310:265 permanent final revocation
Final adoption, page 2, Gist/Analysis
- OAC 310:265 permanent final revocation
Final adoption, page 2, effective-date declaration
License renewal within the thirty day grace period
- Continuing Education
- Evidence of ten clock hours in the hearing sciences completed during the previous year, approved by the International Hearing Society or Oklahoma Hearing Aid Dispenser's Association (OAC 310:266-5-7).
- Documentation
- Submit required documentation, including continuing education, updated addresses if applicable, a current receipt or contract template, a patient file template, audiometer conformity verification dated within the last three years, the percentage of clients tested under an exception, and sponsor information with temporary-permit supervision dates (OAC 310:266-5-6(b)).
- Fee
- Renewal fee of $75 within the thirty-day grace period under OAC 310:266-7-1(a)(7).
- License Status
- Expired license renewed within the thirty-day grace period.
- Posting
- Keep the current licensure certificate conspicuously posted in every place of business (OAC 310:266-5-6(a)).
Official no-examination sources
Effective from 2023-09-11.
- Oklahoma Statutes Title 63, Oklahoma Legislature
63 O.S. §1-1754, page 664
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-6(a)
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-6(b)(1)-(6)
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-6(b)(7)
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-7
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-7-1(a)-(b)
Restoration of a license expired for more than five years
All of the following:
- HADF Practical Exam (assessment without a question bank)
At least one of the following alternatives:
- International Licensing Examination for Hearing Healthcare Professionals
- Hearing Aid Fitter/Dealer (practice unavailable)
- Application
- Submit a complete license application through the licensing portal and pay the $50 initial application fee (OAC 310:266-5-5, 310:266-7-1 and Department licensing instructions).
- Background Check
- Submit to a background check; a criminal record does not itself bar licensing and may be considered with other information (OAC 310:266-3-1(a)(3), (b)).
- Education
- A GED or high school diploma (OAC 310:266-3-1(a)(2)).
- Examination Costs
- Applicants are responsible for the full costs of examinations, re-examinations and background checks under 63 O.S. §1-1751; the CareerTech implementation states no fee is collected onsite from the candidate.
- Expired License
- A license expired for more than five years requires the initial licensure process under OAC 310:266-5-6(a).
- Lawful Presence
- Submit an affidavit of lawful presence (Department licensing instructions).
- Minimum Age
- At least eighteen years old (OAC 310:266-3-1(a)(1)).
- Open Written Approval
- The Department may approve another written examination in addition to the named ILE and the currently offered CareerTech examination (OAC 310:266-5-3(c), 5-4(b)).
- Practical Retesting
- Wait at least seven days to apply to retake a failed practical section; previously passed sections need not be retaken if all sections are passed within the allowable timeframe (OAC 310:266-5-3(b)).
- Supervision
- A temporary permit holder receives direct on-site supervision until every practical section is passed, then indirect supervision until fully licensed (OAC 310:266-5-1(c)-(d)).
- Three Failures
- Three failures of a practical section or of the written examination cause temporary-permit revocation and a minimum one-year wait from the last failed testing date before reapplication (OAC 310:266-5-3(e)).
- Training
- Complete training with a licensed sponsor and obtain the sponsor's readiness attestation before the practical examination (OAC 310:266-5-3(a) and Department licensing instructions).
- Written Authorization
- The CareerTech examination requires original OSDH authorization and accepted current government-issued photo identification. Approval expires six months from the initial application date; retesting requires renewed OSDH authorization (CareerTech testing manual, page 25).
- Written Eligibility
- Submission of the practical-examination application establishes eligibility for the written examination (OAC 310:266-5-3(c)).
International Licensing Examination for Hearing Healthcare Professionals
- Provider
- International Hearing Society (IHS); scheduled and paid through the TestWise system at testing centers
- Format
- Practice-based computer-delivered multiple-choice examination; most questions present a scenario; a few questions require selecting two (or three) correct answers to earn one point; dichotomous right/wrong scoring
- Exam questions
- 105 multiple-choice questions: 80 scored and 25 unscored pilot questions
- Time limit
- 120 minutes (two hours)
- Passing score
- Pass/Fail on the overall raw score against the IHS-recommended passing score; the licensing agency makes the final decision
- Exam fee
- $260.00 (USD) per examination appointment, including re-takes, plus applicable taxes
Examination outline
Domain 1. Conduct Patient/Client Assessment (21%) (21%)
- Objective 1.1 Apply infection control protocols (5%). Includes but is not limited to choosing appropriate infection control processes for tools and equipment; observing universal precautions for infection control; distinguishing between single- and multiple-use items; differentiating among sanitization, disinfection and sterilization processes; and identifying personal protective equipment.
- Objective 1.2 Apply otoscopic inspection protocols (5%). Includes but is not limited to observing safety protocols during otoscopy; identifying anatomical structures; identifying abnormalities through otoscopic inspection; and recognizing the presence of referral criteria. This objective helps provide evidence of the candidate’s ability to perform otoscopy.
- Objective 1.3 Utilize audiometric testing protocols (11%). Includes but is not limited to performing air and bone conduction threshold and suprathreshold testing; performing speech audiometry; performing effective masking; and applying principles to include interpreting results of tympanometry/immittance audiometry. This objective helps provide evidence of the candidate’s ability to perform audiometric testing and application of tympanometry.
Domain 2. Interpret and Apply Assessment Results (22%) (22%)
- Objective 2.1 Interpret and explain audiometric results (11%). Includes but is not limited to demonstrating an understanding of referral criteria; interpreting pure tone and speech testing results; identifying the need for additional testing; identifying the degree and configuration of hearing loss; and identifying the type of hearing loss.
- Objective 2.2 Determine candidacy for amplification (11%). Includes but is not limited to interpreting the case history and outlining contraindications to hearing instrument use.
Domain 3. Select Hearing Devices (18%) (18%)
- Objective 3.1 Select style and type of hearing instruments (9%). Includes but is not limited to establishing fitting goals and selecting specific hearing instruments based on test results, case history, and individual patient/client preferences and lifestyle; selecting electroacoustic and physical properties; and evaluating the need for accessory devices.
- Objective 3.2 Select earmold or other acoustic coupler (9%). Includes but is not limited to assessing physical properties of the outer ear, taking ear impressions, critiquing ear impressions, and selecting coupler based on patient/client needs.
Domain 4. Fit and Dispense Hearing Devices (20%) (20%)
- Objective 4.1 Utilize protocols to fit hearing instruments and other devices (10%). Includes but is not limited to confirming physical and acoustic integrity of hearing devices; programming and adjusting hearing devices; verifying physical fit and acoustic comfort; orienting patient/client to hearing instruments; and orienting patient/client to assistive devices. This objective helps provide evidence of the candidate’s ability to program and dispense hearing instruments and other devices.
- Objective 4.2 Verify fitting (5%). Includes but is not limited to selecting verification method based on patient/client; assessing physical and acoustic integrity of hearing devices; interpreting and explaining verification results; and modifying physical and acoustic parameters of device. This objective helps provide evidence of the candidate’s ability to perform fitting verification (e.g., speech mapping, REM).
- Objective 4.3 Validate fitting (5%). Includes but is not limited to selecting validation method based on patient/client; interpreting and explaining validation results; and modifying physical and acoustic parameters of device. This objective helps provide evidence of the candidate’s ability to perform fitting validation (e.g., questionnaire, self-assessment).
Domain 5. Provide Continuing Care (19%) (19%)
- Objective 5.1 Implement aural rehabilitation and counseling (8%). Includes but is not limited to demonstrating an understanding of the psychology of the hearing impaired; defining and managing patient/client expectations for improved communication; defining and managing family/caregiver expectations for improved communication; and identifying communication strategies.
- Objective 5.2 Apply instrument maintenance and troubleshooting protocols (9%). Includes but is not limited to employing hearing instrument cleaning procedures; performing listening checks on hearing instruments; troubleshooting acoustic properties of hearing instruments; and adjusting based upon changes in patient/client hearing loss and/or listening needs. This objective helps provide evidence of the candidate’s ability to maintain and troubleshoot instrument performance.
- Objective 5.3 Interpret electroacoustic analysis results (2%). Includes but is not limited to identifying need for electroacoustic analysis and comparing electroacoustic analysis of patient’s/client’s hearing instruments to fitting specifications.
Examination sources
- IHS — Competency Model for the International Licensing Examination for Hearing Healthcare Professionals
Title block (p. 1)
- IHS — Competency Model for the International Licensing Examination for Hearing Healthcare Professionals
Structure key, item D (p. 1)
- IHS — Competency Model for the International Licensing Examination for Hearing Healthcare Professionals
Domain 1 heading (p. 2)
- IHS — Competency Model for the International Licensing Examination for Hearing Healthcare Professionals
Domain 5, Objective 5.3 (p. 4)
- IHS — International Licensing Examination for Hearing Healthcare Professionals (ILE) web page
About the Exam
- IHS — International Licensing Examination for Hearing Healthcare Professionals (ILE) web page
About the Exam
- IHS — ILE Study Guide (January 2026)
After the Examination, Examination Scoring (p. 31)
- IHS — ILE Study Guide (January 2026)
Taking the Examination (p. 28)
- IHS — ILE Exam Results & Score Transfer web page
Topic/Domain Feedback
- IHS — ILE Exam Results & Score Transfer web page
Results
- IHS — International Licensing Examination for Hearing Healthcare Professionals (ILE) web page
Eligibility and Exam Scheduling
- IHS — ILE Study Guide (January 2026)
Before the Examination, Scheduling an Examination Appointment (p. 20)
HADF Practical Exam
This assessment does not have a question bank.
Examination outline
Technique
- Pure tone audiometry
- Recorded speech audiometry
- Masking
- Earmold impressions
- Detecting damage and defects
Examination sources
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-4(a)
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-4(b)
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-3(c)-(d)
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-3(b), first sentence
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-3(b), continuation after page footer
- Oklahoma Administrative Code 310:266, Hearing Aid Dealers and Fitters Regulations
OAC 310:266-5-3(a)
- Oklahoma State Department of Health Hearing Aid Dealers and Fitters licensing page
Licensed Hearing Aid Dealer and Fitter, application and examination requirements
- HADF Practical Exam Schedule
November 2026 practical-examination sitting
Hearing Aid Fitter/Dealer
- Provider
- CareerTech Testing Center / Health Certification Project
- Format
- Written examination
- Exam questions
- 105 questions
- Time limit
- 2 hours
- Passing score
- 70% or higher
- Exam fee
- No fee collected from candidate onsite
Examination outline
- Duty A: Anatomy and Function (21%)
- Duty B: Disorders (15%)
- Duty C: Acoustics (8%)
- Duty D: Testing Processes (17%)
- Duty E: Hearing Instruments (33%)
- Duty F: Fitting Rationale – Processes and Procedures (3%)
- Duty G: Disease and Infection Control (1%)
- Duty H: HIPPA (2%)
Examination sources
- Hearing Aid Fitter/Dealer Study Guide
Standards and Test Content, page 5, complete published blueprint
- Hearing Aid Fitter/Dealer Study Guide
Assessment Information, page 4, passing score and timed scoring
- CareerTech Health Certification Project testing manual
Hearing Aid Fitter/Dealer, page 25, written examination information
- Hearing Aid Fitter/Dealer Study Guide
Assessment Information, page 4, registration
- CareerTech Health Certification Project testing manual
Hearing Aid Fitter/Dealer, page 25, required documentation
- CareerTech Health Certification Project testing manual
Hearing Aid Fitter/Dealer, page 25, miscellaneous information