Charcot's joint, ankle and foot

• 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)

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

Disorders affecting predominantly peripheral (limb) joints

• arthropathy in:
• diabetes mellitus (E08-E13 with .61-)
• hematological disorders (M36.2-M36.3)
• hypersensitivity reactions (M36.4)
• neoplastic disease (M36.1)
• neurosyphillis (A52.16)
• sarcoidosis (D86.86)
• enteropathic arthropathies (M07.-)
• juvenile psoriatic arthropathy (L40.54)
• lipoid dermatoarthritis (E78.81)

Neuropathic arthropathy

• Charcôt's joint in diabetes mellitus (E08-E13 with .610)
• Charcôt's joint in tabes dorsalis (A52.16)