Q16.9

Billable

ChapterQ00–Q99

Ranksubcategory

Official Description

Congenital malformation of ear causing impairment of hearing, unspecified

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).

Instructional Notes

Includes

Congenital absence of ear NOS

General instructions are available for the parent sections:

View CH17 Notes View Q10-Q18 Notes View Q16 Notes

Clinical Hierarchy

CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

Q10-Q18Congenital malformations of eye, ear, face and neck (Q10-Q18)

Q16Congenital malformations of ear causing impairment of hearing

Q16.9Congenital malformation of ear causing impairment of hearing, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q16.9:

categoryQ16

Congenital malformations of ear causing impairment of hearing

View context instructions

blockQ10-Q18

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

View context instructions

chapterCH17

Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to Q16.9. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

9 raw paths

Absence (of) (organ or part) (complete or partial)1 unique routes

ear, congenital→Q16.9

Agenesis1 unique routes

ear→Q16.9

Anomaly, anomalous (congenital) (unspecified type)2 unique routes

auricle

ear

causing impairment of hearing→Q16.9

ear (external)

causing impairment of hearing→Q16.9

Hypoplasia, hypoplastic1 unique routes