Q85.1 ICD-10-CM Code: Tuberous sclerosis
Q85.1 is the billable ICD-10-CM code for “Tuberous sclerosis” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
Q85.1Tuberous sclerosis
ICD-10-CM diagnosis code · United States clinical modification
Where Q85.1 sits
- 1
Chapter 17
Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- 2
Section
Other congenital malformations (Q80-Q89)
- 3
Category Q85
Phakomatoses, not elsewhere classified
- 4
Code Q85.1
Tuberous sclerosis
Notes for this code
Inclusion terms
- Bourneville's disease
- Epiloia
Code first
No “code first” instruction is listed for Q85.1.
Use additional code
No “use additional code” instruction is listed for Q85.1.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for Q85.1.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for Q85.1.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code Q85.1 mean?
Q85.1 is the FY 2027 U.S. ICD-10-CM code for “Tuberous sclerosis.”
Is Q85.1 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, Q85.1 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is Q85.1 located in ICD-10-CM?
Q85.1 is listed in Chapter 17, Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1), within Other congenital malformations (Q80-Q89) (Q80–Q89), under category Q85, Phakomatoses, not elsewhere classified.
What coding notes are listed for Q85.1?
Its listed inclusion terms are Bourneville's disease; Epiloia. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.