M21.86Non-billable
Other specified acquired deformities of lower leg
Chapter 13: Diseases of the musculoskeletal system and connective tissue
Coding Guidance
M21.86 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail. See Related Codes to drill down to more specific billable codes for appropriate reimbursement.
Additional Information from Parent Codes
The following information may apply to this code from its parent codes in the ICD-10 hierarchy. This information is important for proper coding and classification.
Parent Codes Referenced:
Excludes2
13 items
Excludes2
From M00-M99:
- •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-)
- •
- •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)
From M21.8:
- •coxa plana (M91.2)
Notes
1 item
Notes
From M00-M99:
- •Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition