ICD-10-CM
ICD-10 code for Neurofibromatosis: Q85.00
The ICD-10-CM index points "Neurofibromatosis" to Q85.0 (Neurofibromatosis (nonmalignant)), a header that is not billable. When nothing more specific is documented, the billable code is Q85.00, Neurofibromatosis, unspecified.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
More specific codes in Q85
A header groups codes and is not billed. A billable code is one you can report.
- Q85Phakomatoses, not elsewhere classifiedHeader
- Q85.0Neurofibromatosis (nonmalignant)Header
- Q85.00Neurofibromatosis, unspecifiedBillable
- Q85.01Neurofibromatosis, type 1Billable
- Q85.02Neurofibromatosis, type 2Billable
- Q85.03SchwannomatosisBillable
- Q85.09Other neurofibromatosisBillable
- Q85.1Tuberous sclerosisBillable
- Q85.8Other phakomatoses, not elsewhere classifiedHeader
- Q85.81PTEN hamartoma tumor syndromeBillable
- Q85.82Other Cowden syndromeBillable
- Q85.83Von Hippel-Lindau syndromeBillable
- Q85.89Other phakomatoses, not elsewhere classifiedBillable
- Q85.9Phakomatosis, unspecifiedBillable
Excludes1
Excludes1 means these codes are not reported together.
From Q85. A note on a category applies to every code under it.
Related conditions
Related pages
- Q85.00 code detailsNotes, nearby codes, CMS-HCC group
- Category Q85.0Every code under it
- Chapter 17Congenital malformations and chromosomal abnormalities
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Neurofibromatosis?
The ICD-10-CM index points "Neurofibromatosis" to Q85.0 (Neurofibromatosis (nonmalignant)), a header that is not billable. When nothing more specific is documented, the billable code is Q85.00, Neurofibromatosis, unspecified.
Is Q85.00 billable?
Yes. Q85.00 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to Q85.00?
The CDC tabular list gives 2 Excludes1 notes (not coded together) for Q85.00 and the categories above it. They are listed on this page.
What chapter is Q85.00 in?
Chapter 17. Congenital malformations and chromosomal abnormalities.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.