M20-M25

Non-Billable

ChapterM00–M99

Rankblock

Official Description

Other joint disorders (M20-M25)

Use a more specific code (0 billable, 6 non-billable)

Metadata & Insights

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

Excludes2(Not included here. Code separately if applicable.)

arthropathic psoriasis (L40.5-)
certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
compartment syndrome (traumatic) (T79.A-)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Excludes2(Not included here. Code separately if applicable.)

BillableHas subcodes

CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)

M20-M25Other joint disorders (M20-M25)Not billable

M20Acquired deformities of fingers and toesSubcodes

M21Other acquired deformities of limbsSubcodes

M22Disorder of patellaSubcodes

M23Internal derangement of kneeSubcodes

M24Other specific joint derangementsSubcodes

M25Other joint disorder, not elsewhere classifiedSubcodes

The following parent sections contain instructions or notes that apply to M20-M25:

chapterCH13

Diseases of the musculoskeletal system and connective tissue (M00-M99)

2026

No direct MS-DRG triggers identified.

Find surgical and procedural codes related to Other joint disorders (M20-M25).