All ICD10 Codes

M91.4

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Coxa magna

Use a more specific code (3 billable)
M91.40Coxa magna, unspecified hipM91.41Coxa magna, right hipM91.42Coxa magna, left hip
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
M91.4Coxa magnaNot billable
M91.40Coxa magna, unspecified hipBillable
M91.41Coxa magna, right hipBillable
M91.42Coxa magna, left hipBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M91.4:

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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