2021

  1. ICD-10-CM Codes
    2. ›
  2. M00-M99 Diseases of the musculoskeletal system and connective tissue
    3. ›
  3. M65-M67 Disorders of synovium and tendon
    4. ›
  4. M65- Synovitis and tenosynovitis
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code M65.04

2021 ICD-10-CM Diagnosis Code M65.04

Abscess of tendon sheath, hand

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • M65.04 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 M65.04 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of M65.04 - other international versions of ICD-10 M65.04 may differ.
The following code(s) above M65.04 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 M65.04:
  • 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
  • M65
    ICD-10-CM Diagnosis Code M65

    Synovitis and tenosynovitis

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • chronic crepitant synovitis of hand and wrist (M70.0-)
    • current injury - see injury of ligament or tendon by body region
    • soft tissue disorders related to use, overuse and pressure (M70.-)
    Synovitis and tenosynovitis
  • M65.0
    ICD-10-CM Diagnosis Code M65.0

    Abscess of tendon sheath

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Use Additional
    • code (B95-B96) to identify bacterial agent.
    Abscess of tendon sheath
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 M65.04:
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
    ICD-10-CM Diagnosis Code L02.91

    Cutaneous abscess, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • tendon (sheath) M65.00
      ICD-10-CM Diagnosis Code M65.00

      Abscess of tendon sheath, unspecified site

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • hand M65.04-

ICD-10-CM Codes Adjacent To M65.04
M65.012 Abscess of tendon sheath, left shoulder
M65.019 Abscess of tendon sheath, unspecified shoulder
M65.02 Abscess of tendon sheath, upper arm
M65.021 Abscess of tendon sheath, right upper arm
M65.022 Abscess of tendon sheath, left upper arm
M65.029 Abscess of tendon sheath, unspecified upper arm
M65.03 Abscess of tendon sheath, forearm
M65.031 Abscess of tendon sheath, right forearm
M65.032 Abscess of tendon sheath, left forearm
M65.039 Abscess of tendon sheath, unspecified forearm
M65.04 Abscess of tendon sheath, hand
M65.041 Abscess of tendon sheath, right hand
M65.042 Abscess of tendon sheath, left hand
M65.049 Abscess of tendon sheath, unspecified hand
M65.05 Abscess of tendon sheath, thigh
M65.051 Abscess of tendon sheath, right thigh
M65.052 Abscess of tendon sheath, left thigh
M65.059 Abscess of tendon sheath, unspecified thigh
M65.06 Abscess of tendon sheath, lower leg
M65.061 Abscess of tendon sheath, right lower leg
M65.062 Abscess of tendon sheath, left lower leg

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

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