U.S. ICD-10-CM · FY 2027

Q16 ICD-10-CM Code: Congenital malformations of ear causing impairment of hearing

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

Q16

Congenital malformations of ear causing impairment of hearing

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where Q16 sits

  1. 1

    Chapter 17

    Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)

  2. 2

    Section

    Congenital malformations of eye, ear, face and neck (Q10-Q18)

  3. 3

    Category Q16

    Congenital malformations of ear causing impairment of hearing

  4. 4

    Code Q16

    Congenital malformations of ear causing impairment of hearing

More specific choices

Codes under Q16

Q16 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Q16.0

Congenital absence of (ear) auricle

Q16.1

Congenital absence, atresia and stricture of auditory canal (external)

Q16.2

Absence of eustachian tube

Q16.3

Congenital malformation of ear ossicles

Q16.4

Other congenital malformations of middle ear

Q16.5

Congenital malformation of inner ear

Q16.9

Congenital malformation of ear causing impairment of hearing, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for Q16.

Code first

No “code first” instruction is listed for Q16.

Use additional code

No “use additional code” instruction is listed for Q16.

Excludes1

Conditions that should not be reported together with this code.

  • congenital deafness (H90.-)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for Q16.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code Q16 mean?

Q16 is the FY 2027 U.S. ICD-10-CM code for “Congenital malformations of ear causing impairment of hearing.”

Is Q16 a billable or specific ICD-10-CM code?

No. Q16 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is Q16 located in ICD-10-CM?

Q16 is listed in Chapter 17, Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1), within Congenital malformations of eye, ear, face and neck (Q10-Q18) (Q10–Q18), under category Q16, Congenital malformations of ear causing impairment of hearing.

What coding notes are listed for Q16?

No inclusion terms are listed for Q16 in this reference record. No code-first instruction is listed. Excludes1 notes: congenital deafness (H90.-). No Excludes2 note is listed.

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