- 3 categories
- 242 billable codes
M00-M99 · FY2027
Chapter 13 Diseases of the musculoskeletal system and connective tissue (M00-M99)
Chapter 13 holds 79 categories in 20 blocks, with 6,687 billable codes in FY2027, 31 of them new this year.
Jump to block
- M00-M02
- M04
- M05-M14
- M15-M19
- M20-M25
- M26-M27
- M30-M36
- M40-M43
- M45-M49
- M50-M54
- M60-M63
- M65-M67
- M70-M79
- M80-M85
- M86-M90
- M91-M94
- M95
- M96
- M97
- M99
Chapters
- Blocks
- 20
- Categories
- 79
- Billable codes
- 6,687
- New FY2027
- 31
- Instructions
- 11
Blocks and categories
M00-M25 Arthropathies (M00-M25)
- 1 category
- 5 billable codes
- 1 new
- 10 categories
- 1,185 billable codes
- 5 categories
- 98 billable codes
- 6 categories
- 719 billable codes
- 2 categories
- 94 billable codes
- 7 categories
- 84 billable codes
M40-M54 Dorsopathies (M40-M54)
- 4 categories
- 157 billable codes
- 5 categories
- 264 billable codes
- 4 categories
- 133 billable codes
M60-M79 Soft tissue disorders (M60-M79)
- 4 categories
- 420 billable codes
- 3 categories
- 379 billable codes
- 3 new
- 7 categories
- 358 billable codes
- 3 new
M80-M94 Osteopathies and chondropathies (M80-M94)
- 5 categories
- 1,432 billable codes
- 5 categories
- 732 billable codes
- 24 new
- 4 categories
- 212 billable codes
- 1 category
- 10 billable codes
- 1 category
- 36 billable codes
- 1 category
- 36 billable codes
- 1 category
- 91 billable codes
Chapter instructions
Notes
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Excludes2
- arthropathic psoriasis (L40.5-) L40.5
- certain conditions originating in the perinatal period (P04-P96) P04 P96
- certain infectious and parasitic diseases (A00-B99) A00 B99
- compartment syndrome (traumatic) (T79.A-) T79.A
- complications of pregnancy, childbirth and the puerperium (O00-O9A) O00 O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) Q00 Q99
- endocrine, nutritional and metabolic diseases (E00-E88) E00 E88
- injury, poisoning and certain other consequences of external causes (S00-T88) S00 T88
- neoplasms (C00-D49) C00 D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) R00 R94
Instructions for M00-M25 Arthropathies (M00-M25)
Printed as in the Tabular List. They apply to every block of the group.
Includes
- Disorders affecting predominantly peripheral (limb) joints