Other congenital malformations (Q80-Q89) ICD-10-CM
The Q80–Q89 section covers other congenital malformations with 99 ICD-10-CM diagnosis codes, of which 82 are billable in fiscal year 2027. The section is organized into the 9 code ranges listed below.
Code Ranges in This Section 9 ranges · 99 codes
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About the Q80–Q89 Code Range
These conditions include differences present at birth in the skin, breast, hair, and nails, along with syndromes affecting several body systems and other malformations.
Q80 separates named types of congenital ichthyosis. Q81 separates forms of epidermolysis bullosa, a group of inherited disorders that cause blistering of the skin and moist body linings. Q82 groups other skin malformations, while Q83 distinguishes absent or extra breast and nipple structures. Q84 groups hair, nail, and other outer-covering malformations.
Q85 lists phakomatoses, including neurofibromatosis and tuberous sclerosis. Q86 separates malformation syndromes by a known external cause, including alcohol, hydantoin, and warfarin. Q87 distinguishes syndromes by prominent features, such as facial appearance, short stature, or limb involvement, and includes named syndromes. Q89 groups other malformations by the affected organ or presentation, including spleen malformations, conjoined twins, and multiple malformations.
FY 2027 changes: The FY 2027 ICD-10-CM update, effective October 1, 2026, added Q87.A and deleted Q89.8.
Questions About This Page
How many codes are in the Q80-Q89 range?
The Q80-Q89 range contains 99 ICD-10-CM diagnosis codes in FY 2027. 82 of them are billable, and the rest are category headers that organize the section.
What conditions does Q80-Q89 cover?
The range covers other congenital malformations. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
