HCPCS V5181: Hearing Aid, Contralateral Routing Device, Monaural, BTE

HCPCS Level II code V5181 describes a monaural contralateral routing of signal (CROS) hearing aid device worn behind the ear (hearing aid, contralateral routing device, monaural, behind the ear (BTE)) used to route sound from one ear to the better-hearing ear; the service type is a hearing aid device fitting/supply and the typical site of service is outpatient audiology or durable medical equipment dispensing in an outpatient clinic or audiology office.

For related coverage guidance, see recent payer policy updates: Oral Cancer Screening and Testing, Cochlear Implants, Balloon Dilation of the Eustachian Tube.

Customize your policy alerts

Sign up for hcpcs V5181 policy alerts

Get alerted when payer policies referencing V5181 are released or updated.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Explore openpayer tools

View all tools

HCPCS V5181: Hearing Aid, Contralateral Routing Device, Monaural, BTE

For related coverage guidance, see recent payer policy updates: Oral Cancer Screening and Testing, Cochlear Implants, Balloon Dilation of the Eustachian Tube.

Customize your policy alerts

Sign up for hcpcs V5181 policy alerts

Get alerted when payer policies referencing V5181 are released or updated.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Clinical & Coding Specifications

Clinical Context

A typical patient is an adult with unilateral severe-to-profound sensorineural hearing loss who retains usable hearing in the better ear and is fitted with a contralateral routing of signal (CROS) hearing system. The device described by V5181 is a monaural, behind-the-ear (BTE) contralateral routing device used when amplification in the poorer ear provides no functional benefit and sounds from the poorer ear must be routed to the better ear. Clinical workflow begins with an otologic and audiologic evaluation in an outpatient ENT or audiology clinic: medical history, otoscopic exam, and pure-tone and speech audiometry including unaided and aided testing and real-ear measures as appropriate. Counseling about CROS candidacy is provided. After candidacy is confirmed, device selection, earmold impressions or BTE coupling checks, device ordering and payer preauthorization occur. Device delivery appointment includes fitting, programming, verification (real-ear or simulated measures), and patient education on insertion, care, and realistic expectations. Follow-up visits address comfort, device adjustments, and outcome measures (speech-in-noise testing, self-reported benefit). Typical site of service is an outpatient audiology clinic or ENT clinic; durable medical equipment suppliers may also perform delivery and ongoing device support. Typical modifiers used in billing may reflect laterality (LT/RT), payer-specific supply or rental status (GY), and unusual procedural complexity (22).

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`92557`	Comprehensive audiometry threshold evaluation and speech recognition (including pure tone air and bone conduction, speech reception threshold, and speech recognition scores)	Performed during candidacy assessment and baseline testing prior to ordering a contralateral routing device
`92567`	Tympanometry and reflex threshold measurements	Performed as part of diagnostic evaluation to rule out middle-ear pathology before device fitting
`92626`	Evaluation of cochlear implant candidacy; speech processor programming (mapping) — limited applicability	Occasionally used when coordinating care for patients transitioning between implant options and CROS fitting discussions; not routine for monaural CROS BTE fitting
`92700`	Diagnostic analysis of hearing aid (electroacoustic analysis)	Used when verifying device electroacoustic function as part of delivery or troubleshooting
`92601`	Diagnostic analysis of auditory function using real-ear or simulated real-ear measures	Used during fitting and verification of BTE CROS systems to measure output and ensure targets are met

Related Modifiers

5 rows

Modifier	Description	When to Use
52	Modifier ‑52 (Reduced Services) indicates that a service or procedure was partially reduced or omitted at the provider’s discretion, allowing reporting of the basic procedure number with a qualifier…	- Use modifier -52 when a physician or qualified health professional electively reduces or omits part of a procedure or service (for example, performing fewer required views or omitting a portion of…
53	Modifier 53 (Discontinued Procedure) signals that a surgical or diagnostic service was begun by the physician but terminated because of extenuating circumstances that threatened the patient’s…	- Use modifier -53 when a physician/qualified healthcare professional has started a surgical or diagnostic procedure (e.g., anesthesia administered, incision or scope insertion) and then discontinues…
22	Modifier –22 (Increased Procedural Services) is used when a reported procedure is substantially more extensive than normally required. The CPT Manual and CMS state it may be appended only when the…	- When to use: Append modifier -22 to a procedural CPT code when the service performed is substantially more extensive than the usual service described by that code — i.e., the procedure required…
62	Modifier 62 indicates that two surgeons function as co‑surgeons, each performing distinct parts of the same primary surgical procedure. It is appended to the primary procedure code (and any…	- Use modifier -62 when two surgeons act as co‑surgeons (both primary surgeons) on a single definitive primary procedure, each performing distinct parts of the same surgical procedure (append -62 to…
55	Modifier –55 indicates the billing provider furnished only postoperative management for a procedure that has a global surgical period. According to AAPC, this modifier is appended to the same CPT…	- Use modifier -55 when billing the same CPT surgical code that has a 10- or 90-day global period and you, as a provider other than the original surgeon, furnished ONLY postoperative management (no…

Related Provider Taxonomies

8 rows

Taxonomy Code	Specialty	Notes
3336C0002X	Clinic Pharmacy	A pharmacy in a clinic, emergency room or hospital (outpatient) that dispenses medications to patients for self-administration under the supervision o…
363L00000X	Nurse Practitioner	(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision mak…
111NX0100X	Occupational Health Chiropractor	Occupational Health is that specialty within the chiropractic profession that deals with the prevention and management of work related injuries. It al…
332BP3500X	Parenteral & Enteral Nutrition Supplies (DME)	Suppliers · Durable Medical Equipment & Medical Supplies
261QS1200X	Sleep Disorder Diagnostic Clinic/Center	Ambulatory Health Care Facilities · Clinic/Center
2084N0402X	Neurology with Special Qualifications in Child Neurology Physician	A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, e…
376K00000X	Nurse's Aide	(1) An unlicensed individual who is trained to function in an assistive role to the licensed nurse in the provision of patient/client activities as de…
1835X0200X	Oncology Pharmacist	A licensed pharmacist who has demonstrated specialized knowledge and skill in developing, recommending, implementing, monitoring, and modifying pharma…

Related ICD-10-CM Codes

24 rows

ICD-10-CM Code	Description
B95.3	Streptococcus pneumoniae as the cause of diseases classified elsewhere
E11.9	Type 2 diabetes mellitus without complications
E86.0	Dehydration
F05	Delirium due to known physiological condition
G43.909	Migraine, unspecified, not intractable, without status migrainosus
H81.10	Benign paroxysmal vertigo, unspecified ear
H81.11	Benign paroxysmal vertigo, right ear
H81.12	Benign paroxysmal vertigo, left ear
H81.13	Benign paroxysmal vertigo, bilateral
H90.11	Conductive hearing loss, unilateral, right ear, with unrestricted hearing on the contralateral side

Showing 1–10 of 24

Related Payer Policy Updates

Specialty: Otorhinolaryngology (ENT)1 / 2

10 rows

Policy	Payer	Effective Date
Oral Cancer Screening and Testing	Oscar Health	2026-10-01
Cochlear Implants	Blue Cross Blue Shield - Rhode Island	2026-09-01
Balloon Dilation of the Eustachian Tube	Blue Cross Blue Shield - Rhode Island	2026-09-01
Sinus Surgeries and Interventions (for New Mexico Only)	UnitedHealthcare	2026-08-01
Hearing Aids and Auditory Implants	UnitedHealthcare	2026-08-01
Surgical Treatment of Snoring and Obstructive Sleep	Premera Bluecross	2026-08-01
Sinus Surgeries and Interventions (for Kansas Only)	UnitedHealthcare	2026-08-01
Repair of Nasal Valve Compromise	Ambetter Georgia	2026-08-01
Sinus Surgeries and Interventions (for Kentucky Only)	UnitedHealthcare	2026-08-01
Surgical Treatment of Snoring and Obstructive Sleep (OSA)	Premera Bluecross	2026-08-01

Related Codes

HCPCS-V5008-HEARING-SCREENING

HCPCS Level II V5008: Hearing screening

HCPCS-V5010-HEARING-AID-ASSESSMENT

HCPCS V5010: Assessment for Hearing Aid

HCPCS-V5011-HEARING-AID-FITTING-ORIENTATION-CHECKING

HCPCS V5011: Fitting, Orientation, and Checking of Hearing Aid

HCPCS-V5014-HEARING-AID-REPAIR-MODIFICATION

HCPCS Level II V5014: Repair/Modification of a Hearing Aid

HCPCS-V5020-CONFORMITY-EVALUATION

HCPCS V5020: Conformity Evaluation

HCPCS-V5030-MONAURAL-BODY-WORN-AIR-CONDUCTION-HEARING-AID

HCPCS V5030: Hearing Aid, Monaural, Body-Worn, Air Conduction

HCPCS-V5040-BODY-WORN-BONE-CONDUCTION-HEARING-AID-MONAURAL

HCPCS V5040: Monaural Body-Worn Bone Conduction Hearing Aid

HCPCS-V5050-HEARING-AID-MONAURAL-IN-THE-EAR

HCPCS Level II V5050: Hearing aid, monaural, in the ear

HCPCS-V5060-MONAURAL-BEHIND-THE-EAR-HEARING-AID

HCPCS Level II V5060: Hearing Aid, Monaural, Behind-the-Ear

HCPCS-V5070-GLASSES-AIR-CONDUCTION

HCPCS Level II V5070: Glasses, Air Conduction

Showing 1–10 of 87

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

Explore openpayer tools

View all tools

Clinical & Coding Specifications

Clinical Context

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`92557`	Comprehensive audiometry threshold evaluation and speech recognition (including pure tone air and bone conduction, speech reception threshold, and speech recognition scores)	Performed during candidacy assessment and baseline testing prior to ordering a contralateral routing device
`92567`	Tympanometry and reflex threshold measurements	Performed as part of diagnostic evaluation to rule out middle-ear pathology before device fitting
`92626`	Evaluation of cochlear implant candidacy; speech processor programming (mapping) — limited applicability	Occasionally used when coordinating care for patients transitioning between implant options and CROS fitting discussions; not routine for monaural CROS BTE fitting
`92700`	Diagnostic analysis of hearing aid (electroacoustic analysis)	Used when verifying device electroacoustic function as part of delivery or troubleshooting
`92601`	Diagnostic analysis of auditory function using real-ear or simulated real-ear measures	Used during fitting and verification of BTE CROS systems to measure output and ensure targets are met

Related Modifiers

5 rows

Modifier	Description	When to Use
52	Modifier ‑52 (Reduced Services) indicates that a service or procedure was partially reduced or omitted at the provider’s discretion, allowing reporting of the basic procedure number with a qualifier…	- Use modifier -52 when a physician or qualified health professional electively reduces or omits part of a procedure or service (for example, performing fewer required views or omitting a portion of…
53	Modifier 53 (Discontinued Procedure) signals that a surgical or diagnostic service was begun by the physician but terminated because of extenuating circumstances that threatened the patient’s…	- Use modifier -53 when a physician/qualified healthcare professional has started a surgical or diagnostic procedure (e.g., anesthesia administered, incision or scope insertion) and then discontinues…
22	Modifier –22 (Increased Procedural Services) is used when a reported procedure is substantially more extensive than normally required. The CPT Manual and CMS state it may be appended only when the…	- When to use: Append modifier -22 to a procedural CPT code when the service performed is substantially more extensive than the usual service described by that code — i.e., the procedure required…
62	Modifier 62 indicates that two surgeons function as co‑surgeons, each performing distinct parts of the same primary surgical procedure. It is appended to the primary procedure code (and any…	- Use modifier -62 when two surgeons act as co‑surgeons (both primary surgeons) on a single definitive primary procedure, each performing distinct parts of the same surgical procedure (append -62 to…
55	Modifier –55 indicates the billing provider furnished only postoperative management for a procedure that has a global surgical period. According to AAPC, this modifier is appended to the same CPT…	- Use modifier -55 when billing the same CPT surgical code that has a 10- or 90-day global period and you, as a provider other than the original surgeon, furnished ONLY postoperative management (no…

Related Provider Taxonomies

8 rows

Taxonomy Code	Specialty	Notes
3336C0002X	Clinic Pharmacy	A pharmacy in a clinic, emergency room or hospital (outpatient) that dispenses medications to patients for self-administration under the supervision o…
363L00000X	Nurse Practitioner	(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision mak…
111NX0100X	Occupational Health Chiropractor	Occupational Health is that specialty within the chiropractic profession that deals with the prevention and management of work related injuries. It al…
332BP3500X	Parenteral & Enteral Nutrition Supplies (DME)	Suppliers · Durable Medical Equipment & Medical Supplies
261QS1200X	Sleep Disorder Diagnostic Clinic/Center	Ambulatory Health Care Facilities · Clinic/Center
2084N0402X	Neurology with Special Qualifications in Child Neurology Physician	A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, e…
376K00000X	Nurse's Aide	(1) An unlicensed individual who is trained to function in an assistive role to the licensed nurse in the provision of patient/client activities as de…
1835X0200X	Oncology Pharmacist	A licensed pharmacist who has demonstrated specialized knowledge and skill in developing, recommending, implementing, monitoring, and modifying pharma…

Related ICD-10-CM Codes

24 rows

ICD-10-CM Code	Description
B95.3	Streptococcus pneumoniae as the cause of diseases classified elsewhere
E11.9	Type 2 diabetes mellitus without complications
E86.0	Dehydration
F05	Delirium due to known physiological condition
G43.909	Migraine, unspecified, not intractable, without status migrainosus
H81.10	Benign paroxysmal vertigo, unspecified ear
H81.11	Benign paroxysmal vertigo, right ear
H81.12	Benign paroxysmal vertigo, left ear
H81.13	Benign paroxysmal vertigo, bilateral
H90.11	Conductive hearing loss, unilateral, right ear, with unrestricted hearing on the contralateral side

Showing 1–10 of 24

Related Payer Policy Updates

Specialty: Otorhinolaryngology (ENT)1 / 2

10 rows

Policy	Payer	Effective Date
Oral Cancer Screening and Testing	Oscar Health	2026-10-01
Cochlear Implants	Blue Cross Blue Shield - Rhode Island	2026-09-01
Balloon Dilation of the Eustachian Tube	Blue Cross Blue Shield - Rhode Island	2026-09-01
Sinus Surgeries and Interventions (for New Mexico Only)	UnitedHealthcare	2026-08-01
Hearing Aids and Auditory Implants	UnitedHealthcare	2026-08-01
Surgical Treatment of Snoring and Obstructive Sleep	Premera Bluecross	2026-08-01
Sinus Surgeries and Interventions (for Kansas Only)	UnitedHealthcare	2026-08-01
Repair of Nasal Valve Compromise	Ambetter Georgia	2026-08-01
Sinus Surgeries and Interventions (for Kentucky Only)	UnitedHealthcare	2026-08-01
Surgical Treatment of Snoring and Obstructive Sleep (OSA)	Premera Bluecross	2026-08-01

Related Codes

HCPCS-V5008-HEARING-SCREENING

HCPCS Level II V5008: Hearing screening

HCPCS-V5010-HEARING-AID-ASSESSMENT

HCPCS V5010: Assessment for Hearing Aid

HCPCS-V5011-HEARING-AID-FITTING-ORIENTATION-CHECKING

HCPCS V5011: Fitting, Orientation, and Checking of Hearing Aid

HCPCS-V5014-HEARING-AID-REPAIR-MODIFICATION

HCPCS Level II V5014: Repair/Modification of a Hearing Aid

HCPCS-V5020-CONFORMITY-EVALUATION

HCPCS V5020: Conformity Evaluation

HCPCS-V5030-MONAURAL-BODY-WORN-AIR-CONDUCTION-HEARING-AID

HCPCS V5030: Hearing Aid, Monaural, Body-Worn, Air Conduction

HCPCS-V5040-BODY-WORN-BONE-CONDUCTION-HEARING-AID-MONAURAL

HCPCS V5040: Monaural Body-Worn Bone Conduction Hearing Aid

HCPCS-V5050-HEARING-AID-MONAURAL-IN-THE-EAR

HCPCS Level II V5050: Hearing aid, monaural, in the ear

HCPCS-V5060-MONAURAL-BEHIND-THE-EAR-HEARING-AID

HCPCS Level II V5060: Hearing Aid, Monaural, Behind-the-Ear

HCPCS-V5070-GLASSES-AIR-CONDUCTION

HCPCS Level II V5070: Glasses, Air Conduction

Showing 1–10 of 87

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

HCPCS V5181: Hearing Aid, Contralateral Routing Device, Monaural, BTE

Sign up for hcpcs V5181 policy alerts

HCPCS V5181: Hearing Aid, Contralateral Routing Device, Monaural, BTE

Sign up for hcpcs V5181 policy alerts

Clinical & Coding Specifications

Clinical Context

Related CPT Codes

Related Modifiers

Related Provider Taxonomies

Related ICD-10-CM Codes

Related Payer Policy Updates

Related Codes

What does HCPCS code V5181 represent and where is it typically provided?

What clinical evaluations and steps are described before and after supplying a V5181 CROS BTE device?

Which billing modifiers are commonly used with V5181 and when are they applied?

Which CPT codes are commonly associated with the clinical services for patients receiving a V5181 device?

What ICD‑10 diagnosis codes are listed as related to V5181 candidacy and fitting?

References

Clinical & Coding Specifications

Clinical Context

Related CPT Codes

Related Modifiers

Related Provider Taxonomies

Related ICD-10-CM Codes

Related Payer Policy Updates

Related Codes

What does HCPCS code V5181 represent and where is it typically provided?

What clinical evaluations and steps are described before and after supplying a V5181 CROS BTE device?

Which billing modifiers are commonly used with V5181 and when are they applied?

Which CPT codes are commonly associated with the clinical services for patients receiving a V5181 device?

What ICD‑10 diagnosis codes are listed as related to V5181 candidacy and fitting?

References