Q85.1Billable
Tuberous sclerosis
- Chapter
- 17. Congenital malformations, deformations and chromosomal abnormalities
- Category
- Q85
- Effective date
- October 1, 2026
Related codes in category Q85
Q85Phakomatoses, not elsewhere classifiedQ85.0Neurofibromatosis (nonmalignant)Q85.00Neurofibromatosis, unspecifiedYesQ85.01Neurofibromatosis, type 1YesQ85.02Neurofibromatosis, type 2YesQ85.03SchwannomatosisYesQ85.09Other neurofibromatosisYesQ85.8Other phakomatoses, not elsewhere classifiedQ85.81PTEN hamartoma tumor syndromeYesQ85.82Other Cowden syndromeYesQ85.83Von Hippel-Lindau syndromeYesQ85.89Other phakomatoses, not elsewhere classifiedYes
Frequently asked questions
What is ICD-10 code Q85.1?
Q85.1 is an ICD-10-CM diagnosis code for Tuberous sclerosis.
Is Q85.1 a billable code?
Yes. Q85.1 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is Q85.1 in?
Q85.1 falls under Chapter 17: Congenital malformations, deformations and chromosomal abnormalities.
When did Q85.1 become effective?
Q85.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Q85.1?
Q85.1 belongs to category Q85, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.