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2 Minute MedicineICD-10 Lookup

ICD-10-CM code · FY2027

M13 Other arthritis

Header codeNot billable: use one of the 47 billable codes below

About M13

Code
M13
Billable
No, header
Short description
Other arthritis
Block
M05-M14 Inflammatory polyarthropathies
Chapter
13 Diseases of the musculoskeletal system and connective tissue
Code set
FY2027, October 1, 2026 to September 30, 2027

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Coding notes for M13

Excludes1 Not coded here: never report these together with this code (use the code given instead).

Chapter 13 notes (apply to every code in it)

Note

  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.

  • 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)

Codes under M13 63

Other categories in M05-M14

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