All ICD10 Codes

M91.1

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Juvenile osteochondrosis of head of femur [Legg-Calvé-Perthes]

Use a more specific code (3 billable)
M91.10Juvenile osteochondrosis of head of femur [Legg-Calvé-Perthes], unspecified legM91.11Juvenile osteochondrosis of head of femur [Legg-Calvé-Perthes], right legM91.12Juvenile osteochondrosis of head of femur [Legg-Calvé-Perthes], left leg
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).
General instructions are available for the parent sections:
View CH13 NotesView M91-M94 NotesView M91 Notes

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M91-M94Chondropathies (M91-M94)
M91Juvenile osteochondrosis of hip and pelvis
M91.1Juvenile osteochondrosis of head of femur [Legg-Calvé-Perthes]Not billable
M91.10Juvenile osteochondrosis of head of femur [Legg-Calvé-Perthes], unspecified legBillable
M91.11Juvenile osteochondrosis of head of femur [Legg-Calvé-Perthes], right legBillable
M91.12Juvenile osteochondrosis of head of femur [Legg-Calvé-Perthes], left legBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M91.1:

categoryM91
Juvenile osteochondrosis of hip and pelvis
View context instructions
blockM91-M94
Chondropathies (M91-M94)
View context instructions
chapterCH13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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