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 M65.2

2021 ICD-10-CM Diagnosis Code M65.2

Calcific tendinitis

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • M65.2 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 M65.2 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of M65.2 - other international versions of ICD-10 M65.2 may differ.
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as M65.2. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • tendinitis as classified in
    ICD-10-CM Diagnosis Code M75

    Shoulder lesions

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • shoulder-hand syndrome (M89.0-)
    M75
    -
    ICD-10-CM Diagnosis Code M77

    Other enthesopathies

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Type 2 Excludes
    • bursitis due to use, overuse and pressure (M70.-)
    • osteophyte (M25.7)
    • spinal enthesopathy (M46.0-)
    M77
  • calcified tendinitis of shoulder (
    ICD-10-CM Diagnosis Code M75.3

    Calcific tendinitis of shoulder

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Calcified bursa of shoulder
    M75.3
    )
The following code(s) above M65.2 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 M65.2:
  • 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
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
Code annotations containing back-references to M65.2:
  • Type 1 Excludes: M61.4
    ICD-10-CM Diagnosis Code M61.4

    Other calcification of muscle

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • calcific tendinitis NOS (M65.2-)
    • calcific tendinitis of shoulder (M75.3)
  • Type 2 Excludes: M25
    ICD-10-CM Diagnosis Code M25

    Other joint disorder, not elsewhere classified

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • abnormality of gait and mobility (R26.-)
    • acquired deformities of limb (M20-M21)
    • calcification of bursa (M71.4-)
    • calcification of shoulder (joint) (M75.3)
    • calcification of tendon (M65.2-)
    • difficulty in walking (R26.2)
    • temporomandibular joint disorder (M26.6-)

Diagnosis Index entries containing back-references to M65.2:

ICD-10-CM Codes Adjacent To M65.2
M65.16 Other infective (teno)synovitis, knee
M65.161 Other infective (teno)synovitis, right knee
M65.162 Other infective (teno)synovitis, left knee
M65.169 Other infective (teno)synovitis, unspecified knee
M65.17 Other infective (teno)synovitis, ankle and foot
M65.171 Other infective (teno)synovitis, right ankle and foot
M65.172 Other infective (teno)synovitis, left ankle and foot
M65.179 Other infective (teno)synovitis, unspecified ankle and foot
M65.18 …… other site
M65.19 …… multiple sites
M65.2 Calcific tendinitis
M65.20 …… unspecified site
M65.22 Calcific tendinitis, upper arm
M65.221 Calcific tendinitis, right upper arm
M65.222 Calcific tendinitis, left upper arm
M65.229 Calcific tendinitis, unspecified upper arm
M65.23 Calcific tendinitis, forearm
M65.231 Calcific tendinitis, right forearm
M65.232 Calcific tendinitis, left forearm
M65.239 Calcific tendinitis, unspecified forearm
M65.24 Calcific tendinitis, hand

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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