M65.221 ICD-10-CM Code: Calcific tendinitis, right upper arm
M65.221 is the billable ICD-10-CM code for “Calcific tendinitis, right upper arm” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
M65.221Calcific tendinitis, right upper arm
ICD-10-CM diagnosis code · United States clinical modification
Coding tips for M65.221
The same condition on the other side
This code carries the side. Use the one the note supports; codes for an unspecified side should rarely be used.
Where M65.221 sits
- 1
Chapter 13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
- 2
Section
Disorders of synovium and tendon (M65-M67)
- 3
Category M65
Synovitis and tenosynovitis
- 4
Subcategory M65.22
Calcific tendinitis, upper arm
- 5
Code M65.221
Calcific tendinitis, right upper arm
Notes for this code
Inclusion terms
No inclusion terms are listed for M65.221.
Code first
No “code first” instruction is listed for M65.221.
Use additional code
No “use additional code” instruction is listed for M65.221.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for M65.221.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for M65.221.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code M65.221 mean?
M65.221 is the FY 2027 U.S. ICD-10-CM code for “Calcific tendinitis, right upper arm.”
Is M65.221 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, M65.221 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is M65.221 located in ICD-10-CM?
M65.221 is listed in Chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99), within Disorders of synovium and tendon (M65-M67) (M65–M67), under category M65, Synovitis and tenosynovitis and subcategory M65.22, Calcific tendinitis, upper arm.
What coding notes are listed for M65.221?
No inclusion terms are listed for M65.221 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.