2021 ICD-10-CM Code Q85

Phakomatoses, not elsewhere classified

Version 2021
Non-Billable Code

Not Valid for Submission

Q85 is a "header" nonspecific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of phakomatoses, not elsewhere classified. The code is NOT valid for the year 2021 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

ICD-10:Q85
Short Description:Phakomatoses, not elsewhere classified
Long Description:Phakomatoses, not elsewhere classified

Code Classification

Specific Coding for Phakomatoses, not elsewhere classified

Header codes like Q85 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for phakomatoses, not elsewhere classified:

  • Q85.0 - Neurofibromatosis (nonmalignant)
  • Q85.00 - Neurofibromatosis, unspecified
  • Q85.01 - Neurofibromatosis, type 1
  • Q85.02 - Neurofibromatosis, type 2
  • Q85.03 - Schwannomatosis
  • Q85.09 - Other neurofibromatosis
  • Q85.1 - Tuberous sclerosis
  • Q85.8 - Other phakomatoses, not elsewhere classified
  • Q85.9 - Phakomatosis, unspecified

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code Q85:


Type 1 Excludes

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.

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)