M65.251

✓ Billable

Calcific tendinitis, right thigh

Diseases of the musculoskeletal system and connective tissue (M00-M99)

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❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

M65.2

• tendinitis as classified in M75-M77
• calcified tendinitis of shoulder (M75.3)

M65

• 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.-)

Clinical Description

ICD-10-CM code M65.251 represents calcific tendinitis, right thigh. This code falls under the Diseases of the musculoskeletal system and connective tissue (M00-M99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.

This is a 7-character code at the 6th level of specificity. This is the most specific code available in this subcategory. Coders should note that M65.251 has 5 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code M65.251?

ICD-10-CM code M65.251 is "Calcific tendinitis, right thigh". It belongs to the category: Diseases of the musculoskeletal system and connective tissue (M00-M99).

Is M65.251 a billable ICD-10 code?

Yes, M65.251 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What codes are excluded with M65.251?

M65.251 has 5 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Related Codes in M65.25

Other codes in the same category that may be relevant for differential coding:

M65.252Calcific tendinitis, left thigh M65.259Calcific tendinitis, unspecified thigh

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Code Information

CodeM65.251

BillableYes

ParentM65.25

CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)

Excludes15 rule(s)

Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)