Q85.9
✓ Billable
Phakomatosis, unspecified
ICD-10-CM · FY2026 · Congenital Malformations, Deformations and Chromosomal Abnormalities
Code
Q85.9
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Congenital Malformations, Deformations and Chromosomal Abnormalities
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code Q85.9?
ICD-10-CM code Q85.9 represents Phakomatosis, unspecified. It is a billable diagnosis code in the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter, effective October 1, 2025 – September 30, 2026.
Is Q85.9 billable?
Yes. Q85.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is Q85.9 in?
Q85.9 belongs to the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter (Q00–Q99) of ICD-10-CM.
Related codes in the Q85 category
Q85
Phakomatoses, not elsewhere classified
Non-billable
Q85.0
Neurofibromatosis (nonmalignant)
Non-billable
Q85.1
Tuberous sclerosis
Billable
Q85.8
Other phakomatoses, not elsewhere classified
Non-billable
Q85.00
Neurofibromatosis, unspecified
Billable
Q85.01
Neurofibromatosis, type 1
Billable
Q85.02
Neurofibromatosis, type 2
Billable
Q85.03
Schwannomatosis
Billable
Search all 98,186 ICD-10-CM codes instantly
Search ICDwise →