M25.6

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Stiffness of joint, not elsewhere classified

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • ankylosis of joint (M24.6-)
  • contracture of joint (M24.5-)
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M20-M25Other joint disorders (M20-M25)
M25Other joint disorder, not elsewhere classified
M25.6Stiffness of joint, not elsewhere classifiedNot billable
M25.60Stiffness of unspecified joint, not elsewhere classifiedBillable
M25.61Stiffness of shoulder, not elsewhere classifiedSubcodes
M25.62Stiffness of elbow, not elsewhere classifiedSubcodes
M25.63Stiffness of wrist, not elsewhere classifiedSubcodes
M25.64Stiffness of hand, not elsewhere classifiedSubcodes
M25.65Stiffness of hip, not elsewhere classifiedSubcodes
M25.66Stiffness of knee, not elsewhere classifiedSubcodes
M25.67Stiffness of ankle and foot, not elsewhere classifiedSubcodes
M25.69Stiffness of other specified joint, not elsewhere classifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M25.6:

categoryM25
Other joint disorder, not elsewhere classified
View context instructions
blockM20-M25
Other joint disorders (M20-M25)
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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