ICD-10-CM › Q00-QA1 › Q80-Q89 › Q85 Phakomatoses, not elsewhere classified › Q85.8

Q85.8

Other phakomatoses, not elsewhere classified

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

Billable FY2016 to FY2022, and a category header from FY2023.

Submit one of these 4 more specific codes instead:

  • Q85.81 PTEN hamartoma tumor syndrome
  • Q85.82 Other Cowden syndrome
  • Q85.83 Von Hippel-Lindau syndrome
  • Q85.89 Other phakomatoses, not elsewhere classified

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2007 Added to the draft code set draft Other phakomatoses, not elsewhere classified
  2. FY2023 Stopped being billable

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from Q85 Phakomatoses, not elsewhere classified

Excludes1 - never coded here

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

Codes in the same group

CodeDescriptionStatus
Q85.0 Neurofibromatosis (nonmalignant) Not billable
Q85.1 Tuberous sclerosis Valid
Q85.9 Phakomatosis, unspecified Valid