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ICD-10-CM Codes
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M00-M99
Diseases of the musculoskeletal system and connective tissue
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M65-M67
Disorders of synovium and tendon
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M65-
Synovitis and tenosynovitis
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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 tissueNote- 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
- 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
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.