Q85

Phakomatoses, not elsewhere classified

Header / non-billable

Choose the additional character

Q85 needs more characters to be billable. Pick the specific code below.

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · Q85
Excludes 1

ataxia telangiectasia [Louis-Bar] (G11.3) familial dysautonomia [Riley-Day] (G90.1)

Inherited from chapter 17Congenital malformations, deformations and chromosomal abnormalities
Excludes 2

inborn errors of metabolism (E70-E88)

Note

Codes from this chapter are not for use on maternal records

Official Guidelines for Q85

FY 2026 ›
I.C.17Chapter-specific guidanceChapter 17: Congenital malformations, deformations, and chromosomal abnormalities (Q00-QA1)

Sections that reference Q85

Sections whose FY 2026 text names Q85, its Q85 category, or a range containing it — the chapter guidance above is the authoritative source.