Other congenital malformations of ear (Q17) ICD-10-CM
The Q17 code range covers other congenital malformations of ear with 9 ICD-10-CM diagnosis codes. 8 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Codes in the Q17 Range 9 codes · 8 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the Q17 range.
Hypertelorism
Abnormal increase in the interorbital distance due to overdevelopment of the lesser wings of the sphenoid.
Microstomia
A congenital defect in which the mouth is unusually small. (Dorland, 27th ed)
About the Q17 Code Range
The ICD-10 code Q17 covers a range of specific congenital malformations of the ear, including abnormalities in ear shape, size, position, and structural formation present from birth. These codes help classify unique ear malformations for accurate medical documentation and billing.
The section includes detailed codes such as Q17.0 for accessory auricle, commonly known as preauricular appendage or accessory tragus; Q17.1 for macrotia, which refers to abnormally large ears; and Q17.2 for microtia, describing underdeveloped or unusually small ears often associated with hearing loss. Other codes include Q17.3 for various misshapen ear forms like lop ear or Vulcan ear, Q17.4 for misplaced or low-set ears, and Q17.5 for prominent ears, which are ears that stick out more than usual. The code Q17.8 covers other specified congenital ear malformations such as split ear lobes or congenital absence of the external auditory canal, and Q17.9 denotes unspecified congenital ear malformations. Understanding these codes ensures precise recording of conditions like accessory auricle or microtia, which are frequent entries when searching for the ICD-10 code for congenital ear anomalies.
Questions About This Page
How many billable codes are in the Q17 range?
Of the 9 codes in this range, 8 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the Q17 range classify?
The range classifies other congenital malformations of ear. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
