M91.11 – Juvenile osteochondrosis of head of femur [Legg-Calve-Perthes], right leg
ICD-10-CM 2027 diagnosis code · Chondropathies
ICD-10-CM code
M91.11
- Code
M91.11(claims format:M9111)- Description
- Juvenile osteochondrosis of head of femur [Legg-Calve-Perthes], right leg
- Short description
- Juvenile osteochondrosis of head of femur, right leg
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M91-M94 Chondropathies
- Parent codes
- M91 › M91.1
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M91 – Juvenile osteochondrosis of hip and pelvis
Excludes1 (not coded here):
- slipped upper femoral epiphysis (nontraumatic) (M93.0-)
Block M91-M94
Excludes1 (not coded here):
- postprocedural chondropathies (M96.-)
Related codes in M91.1
Frequently asked questions
What is ICD-10 code M91.11?
M91.11 is the ICD-10-CM code for juvenile osteochondrosis of head of femur [Legg-Calve-Perthes], right leg, in the block M91-M94 (Chondropathies).
Is M91.11 a billable code?
Yes. M91.11 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does M91.11 belong to?
It belongs to category M91 – Juvenile osteochondrosis of hip and pelvis.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.