Spontaneous rupture of extensor tendons, ankle and foot
Non-billable header
M66.27 is a non-billable header code. Use one of the more specific codes below.
Inclusion terms
Includes (from M66)
- rupture that occurs when a normal force is applied to tissues that are inferred to have less than normal strength
- 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 included here — may be reported together when both conditions exist.
- arthropathic psoriasis (L40.5-) (from M66)
- certain conditions originating in the perinatal period (P04-P96) (from M66)
- certain infectious and parasitic diseases (A00-B99) (from M66)
- compartment syndrome (traumatic) (T79.A-) (from M66)
- complications of pregnancy, childbirth and the puerperium (O00-O9A) (from M66)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from M66)
- endocrine, nutritional and metabolic diseases (E00-E88) (from M66)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from M66)
- neoplasms (C00-D49) (from M66)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from M66)
- rotator cuff syndrome (M75.1-) (from M66)
- rupture where an abnormal force is applied to normal tissue - see injury of tendon by body region (from M66)
Parent code
- M66.2Spontaneous rupture of extensor tendonsHeader
More specific codes M66.27
Related codes
- M66.20Spontaneous rupture of extensor tendons, unspecified siteBillable
- M66.21Spontaneous rupture of extensor tendons, shoulderHeader
- M66.22Spontaneous rupture of extensor tendons, upper armHeader
- M66.23Spontaneous rupture of extensor tendons, forearmHeader
- M66.24Spontaneous rupture of extensor tendons, handHeader
- M66.25Spontaneous rupture of extensor tendons, thighHeader
- M66.26Spontaneous rupture of extensor tendons, lower legHeader
- M66.28Spontaneous rupture of extensor tendons, other siteBillable
- M66.29Spontaneous rupture of extensor tendons, multiple sitesBillable