2017/18 ICD-10-CM Diagnosis Code M66.361

Spontaneous rupture of flexor tendons, right lower leg

The following code(s) above M66.361 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to M66.361:
  • M00-M99
    2018 ICD-10-CM Range M00-M99

    Diseases of the musculoskeletal system and connective tissue

    Note
    • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
    Type 2 Excludes
    • 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)
    Diseases of the musculoskeletal system and connective tissue
  • M66
    ICD-10-CM Diagnosis Code M66

    Spontaneous rupture of synovium and tendon

      2016 2017 2018 Non-Billable/Non-Specific Code
    Includes
    • rupture that occurs when a normal force is applied to tissues that are inferred to have less than normal strength
    Type 2 Excludes
    • rotator cuff syndrome (M75.1-)
    • rupture where an abnormal force is applied to normal tissue - see injury of tendon by body region
    Spontaneous rupture of synovium and tendon
Approximate Synonyms ICD-10-CM M66.361 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert M66.361 to ICD-9-CM

Code History
ICD-10-CM Codes Adjacent To M66.361
M66.339 Spontaneous rupture of flexor tendons, unspecified forearm
M66.34 Spontaneous rupture of flexor tendons, hand
M66.341 Spontaneous rupture of flexor tendons, right hand
M66.342 Spontaneous rupture of flexor tendons, left hand
M66.349 Spontaneous rupture of flexor tendons, unspecified hand
M66.35 Spontaneous rupture of flexor tendons, thigh
M66.351 Spontaneous rupture of flexor tendons, right thigh
M66.352 Spontaneous rupture of flexor tendons, left thigh
M66.359 Spontaneous rupture of flexor tendons, unspecified thigh
M66.36 Spontaneous rupture of flexor tendons, lower leg
M66.361 Spontaneous rupture of flexor tendons, right lower leg
M66.362 Spontaneous rupture of flexor tendons, left lower leg
M66.369 Spontaneous rupture of flexor tendons, unspecified lower leg
M66.37 Spontaneous rupture of flexor tendons, ankle and foot
M66.371 Spontaneous rupture of flexor tendons, right ankle and foot
M66.372 Spontaneous rupture of flexor tendons, left ankle and foot
M66.379 Spontaneous rupture of flexor tendons, unspecified ankle and foot
M66.38 …… other site
M66.39 …… multiple sites
M66.8 Spontaneous rupture of other tendons
M66.80 …… unspecified site

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.