ICD-10-CM M65.2 is the diagnosis code for Calcific tendinitis. This code falls under the section "Disorders of synovium and tendon" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as M65.2. They are mutually exclusive:
Understanding where M65.2 sits in the ICD-10-CM classification helps ensure proper coding:
No, M65.2 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
M65.2 is the ICD-10-CM diagnosis code for "Calcific tendinitis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of M65.2 is M65 ("Synovitis and tenosynovitis"). M65.2 provides a more specific classification within this category.
M65.2 is located in Section M65-M67 — "Disorders of synovium and tendon" within Chapter 13 of the ICD-10-CM Tabular List.
M65.2 has 9 sub-code(s) that provide more specific detail: M65.20, M65.22, M65.23, M65.24, M65.25 and more.
Use M65.2 when the patients documented diagnosis matches "Calcific tendinitis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Calcific tendinitis is M65.2.
No, M65.2 is non-billable. Use a more specific sub-code for primary diagnosis billing.
M65.2 is in Chapter 13 of the ICD-10-CM Tabular List.
Type 1 Excludes for M65.2 include: tendinitis as classified in M75-M77; calcified tendinitis of shoulder (M75.3).
Yes, M65.2 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.