M22

Non-Billable

ChapterM00–M99

Rankcategory

Official Description

Disorder of patella

Use a more specific code (0 billable, 7 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.)

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)

M22Disorder of patellaNot billable

M22.0Recurrent dislocation of patellaSubcodes

M22.1Recurrent subluxation of patellaSubcodes

M22.2Patellofemoral disordersSubcodes

M22.3Other derangements of patellaSubcodes

M22.4Chondromalacia patellaeSubcodes

M22.8Other disorders of patellaSubcodes

M22.9Unspecified disorder of patellaSubcodes

The following parent sections contain instructions or notes that apply to M22:

Other joint disorders (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 Disorder of patella.