M65.82 ICD-10-CA code: Other synovitis and tenosynovitis, upper arm

M65.82 is the ICD-10-CA code for “Other synovitis and tenosynovitis, upper arm” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

M65.82

Other synovitis and tenosynovitis, upper arm

Short description: Oth synovitis & tenosynovitis upper arm

ICD-10-CA · Canada · Also written M6582

Notes for M65.82

As CIHI prints them, with any note M65.82 takes from the headings above it.

Excludes

Conditions classified elsewhere.

Chronic crepitant synovitis of hand and wrist (M70.0)current injury - see injury of ligament or tendon by body regionsoft tissue disorders related to use, overuse and pressure (M70.-)From M65 Synovitis and tenosynovitis
Certain:• conditions originating in the perinatal period (P00-P96)• disorders of the temporomandibular joint (K07.6)• infectious and parasitic diseases (A00-B99)compartment syndrome (T79.6)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99)

Note

[To review the anatomical site captured in the 5th character subclassification see Chapter XIII]From M65.8 Other synovitis and tenosynovitis
The following fifth characters represent the following sites of involvement:0 Multiple sites1 Shoulder region: clavical , scapula — joint acromioclavicular, glenohumeral, sternoclavicular2 Upper arm: humerus — elbow joint,3 Forearm: radius , ulna — wrist joint,4 Hand: carpus, fingers, metacarpus — joints between these bones,5 Pelvic region and thigh: buttock , femur , pelvis — joint hip , sacroiliac6 Lower leg: fibula , tibia — knee joint7 Ankle and foot: metatarsus, tarsus, toes — other joints in foot8 Other:head neck ribs skull trunk vertebral column9 Site unspecifiedFrom Chapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99)

Where M65.82 sits

1ChapterChapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99)
2Block M60-M79Soft tissue disorders
3Block M65-M68Disorders of synovium and tendon
4Category M65Synovitis and tenosynovitis
5Subcategory M65.8Other synovitis and tenosynovitis
6Valid code M65.82Other synovitis and tenosynovitis, upper arm

Source and release

Data release: ICD-10-CA · FY 2026–2027
Effective date: Apr 1, 2026
Publisher: CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

See M65.82 in the CIHI source

Frequently asked questions

What does ICD-10-CA code M65.82 mean?

M65.82 is the ICD-10-CA code for “Other synovitis and tenosynovitis, upper arm” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is M65.82 in ICD-10-CA?

M65.82 sits under M65.8 Other synovitis and tenosynovitis, within M65 Synovitis and tenosynovitis, within M65-M68 Disorders of synovium and tendon, within M60-M79 Soft tissue disorders, within Chapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99).

What coding notes apply to M65.82?

ICD-10-CA lists Note, Excludes notes for M65.82, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

View M65.8