ICD-10-CM · FY 2026 APRIL UPDATE
Q85
Phakomatoses, not elsewhere classified
Diagnosis reference
Nonbillable categoryThis entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.
Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification
Related entries
Up to 30 descendants in this category
| CODE | DESCRIPTION | TYPE |
|---|---|---|
| Q85.0 | Neurofibromatosis (nonmalignant) | Category |
| Q85.00 | Neurofibromatosis, unspecified | Billable |
| Q85.01 | Neurofibromatosis, type 1 | Billable |
| Q85.02 | Neurofibromatosis, type 2 | Billable |
| Q85.03 | Schwannomatosis | Billable |
| Q85.09 | Other neurofibromatosis | Billable |
| Q85.1 | Tuberous sclerosis | Billable |
| Q85.8 | Other phakomatoses, not elsewhere classified | Category |
| Q85.81 | PTEN hamartoma tumor syndrome | Billable |
| Q85.82 | Other Cowden syndrome | Billable |
| Q85.83 | Von Hippel-Lindau syndrome | Billable |
| Q85.89 | Other phakomatoses, not elsewhere classified | Billable |
| Q85.9 | Phakomatosis, unspecified | Billable |
Use the complete reference
This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.
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