2021 ICD-10-CM Diagnosis Code M66.24

Spontaneous rupture of extensor tendons, hand

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • M66.24 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM M66.24 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of M66.24 - other international versions of ICD-10 M66.24 may differ.
The following code(s) above M66.24 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 M66.24:
  • M00-M99
    2021 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 2019 2020 2021 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
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to M66.24:
  • Rupture, ruptured
    • tendon (traumatic) - see Strain
      • nontraumatic (spontaneous) M66.9
        ICD-10-CM Diagnosis Code M66.9

        Spontaneous rupture of unspecified tendon

          2016 2017 2018 2019 2020 2021 Billable/Specific Code
        Applicable To
        • Rupture at musculotendinous junction, nontraumatic
        • extensor M66.20
          ICD-10-CM Diagnosis Code M66.20

          Spontaneous rupture of extensor tendons, unspecified site

            2016 2017 2018 2019 2020 2021 Billable/Specific Code
          • hand M66.24-

ICD-10-CM Codes Adjacent To M66.24
M66.212 Spontaneous rupture of extensor tendons, left shoulder
M66.219 Spontaneous rupture of extensor tendons, unspecified shoulder
M66.22 Spontaneous rupture of extensor tendons, upper arm
M66.221 Spontaneous rupture of extensor tendons, right upper arm
M66.222 Spontaneous rupture of extensor tendons, left upper arm
M66.229 Spontaneous rupture of extensor tendons, unspecified upper arm
M66.23 Spontaneous rupture of extensor tendons, forearm
M66.231 Spontaneous rupture of extensor tendons, right forearm
M66.232 Spontaneous rupture of extensor tendons, left forearm
M66.239 Spontaneous rupture of extensor tendons, unspecified forearm
M66.24 Spontaneous rupture of extensor tendons, hand
M66.241 Spontaneous rupture of extensor tendons, right hand
M66.242 Spontaneous rupture of extensor tendons, left hand
M66.249 Spontaneous rupture of extensor tendons, unspecified hand
M66.25 Spontaneous rupture of extensor tendons, thigh
M66.251 Spontaneous rupture of extensor tendons, right thigh
M66.252 Spontaneous rupture of extensor tendons, left thigh
M66.259 Spontaneous rupture of extensor tendons, unspecified thigh
M66.26 Spontaneous rupture of extensor tendons, lower leg
M66.261 Spontaneous rupture of extensor tendons, right lower leg
M66.262 Spontaneous rupture of extensor tendons, left lower leg

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