M65.96 ICD-10-CM Code: Unspecified synovitis and tenosynovitis, lower leg
M65.96 isn’t billable on its own. Choose one of the 3 billable codes beneath it, the one the documentation supports.
Official description
M65.96Unspecified synovitis and tenosynovitis, lower leg
ICD-10-CM diagnosis code · United States clinical modification
Billable codes under M65.96
M65.96 can’t be reported on its own. Choose the code below that matches what the note documents.
Where M65.96 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 M65.9
Synovitis and tenosynovitis, unspecified
- 5
Code M65.96
Unspecified synovitis and tenosynovitis, lower leg
Notes for this code
Inclusion terms
No inclusion terms are listed for M65.96.
Code first
No “code first” instruction is listed for M65.96.
Use additional code
No “use additional code” instruction is listed for M65.96.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for M65.96.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for M65.96.
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 M65.96 mean?
M65.96 is the FY 2027 U.S. ICD-10-CM code for “Unspecified synovitis and tenosynovitis, lower leg.”
Is M65.96 a billable or specific ICD-10-CM code?
No. M65.96 has 3 billable codes beneath it in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is M65.96 located in ICD-10-CM?
M65.96 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 M65.9, Synovitis and tenosynovitis, unspecified.
What coding notes are listed for M65.96?
No inclusion terms are listed for M65.96 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.