M76.6 ICD-10-CA code: Achilles tendinitis

M76.6 is the ICD-10-CA code for “Achilles tendinitis” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

M76.6

Achilles tendinitis

ICD-10-CA · Canada · Also written M766

Index terms

Entries in CIHI’s alphabetical index that lead to M76.6. Searching the index by the condition the note names is how coders reach this code.

  • Achillodynia
  • Achillobursitis
  • Albert's syndrome
  • Bursitis, Achilles
  • Tendinitis, tendonitis, Achilles

Notes for M76.6

As CIHI prints them, with any note M76.6 takes from the headings above it.

Includes

  • Achilles bursitis

Excludes

Conditions classified elsewhere.

  • Bursitis due to use, overuse and pressure (M70.-)From M76 Enthesopathies of lower limb, excluding foot
  • 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

  • The superficially specific terms bursitis, capsulitis and tendinitis tend to be used indiscriminately for various disorders of peripheral ligamentous or muscular attachments; most of these conditions have been brought together as enthesopathies which is the generic term for lesions at these sites.From M76 Enthesopathies of lower limb, excluding foot
  • 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 M76.6 sits

  1. 1ChapterChapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99)
  2. 2Block M60-M79Soft tissue disorders
  3. 3Block M70-M79Other soft tissue disorders
  4. 4Category M76Enthesopathies of lower limb, excluding foot
  5. 5Valid code M76.6Achilles tendinitis

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.

Frequently asked questions

What does ICD-10-CA code M76.6 mean?

M76.6 is the ICD-10-CA code for “Achilles tendinitis” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is M76.6 in ICD-10-CA?

M76.6 sits under M76 Enthesopathies of lower limb, excluding foot, within M70-M79 Other soft tissue disorders, within M60-M79 Soft tissue disorders, within Chapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99).

What coding notes apply to M76.6?

ICD-10-CA lists Includes, Note, Excludes notes for M76.6, 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.