M84.99 ICD-10-CA code: Disorder of continuity of bone, unspecified, unspecified site
M84.99 is the ICD-10-CA code for “Disorder of continuity of bone, unspecified, unspecified site” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
M84.99Disorder of continuity of bone, unspecified, unspecified site
Short description: Disorder bone continuity NOS unspec site
ICD-10-CA · Canada · Also written M8499
Notes for M84.99
As CIHI prints them, with any note M84.99 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- 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 M84.9 Disorder of continuity of bone, unspecified
- 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 M84.99 sits
- 1ChapterChapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99)
- 2Block M80-M94Osteopathies and chondropathies
- 3Block M80-M85Disorders of bone density and structure
- 4Category M84Disorders of continuity of bone
- 5Subcategory M84.9Disorder of continuity of bone, unspecified
- 6Valid code M84.99Disorder of continuity of bone, unspecified, unspecified site
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 M84.99 mean?
M84.99 is the ICD-10-CA code for “Disorder of continuity of bone, unspecified, unspecified site” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is M84.99 in ICD-10-CA?
M84.99 sits under M84.9 Disorder of continuity of bone, unspecified, within M84 Disorders of continuity of bone, within M80-M85 Disorders of bone density and structure, within M80-M94 Osteopathies and chondropathies, within Chapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99).
What coding notes apply to M84.99?
ICD-10-CA lists Note, Excludes notes for M84.99, 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.
Codes beside M84.99
View M84.9M84.90Disorder of continuity of bone, unspecified, multiple sitesM84.91Disorder of continuity of bone, unspecified, shoulder regionM84.92Disorder of continuity of bone, unspecified, upper armM84.93Disorder of continuity of bone, unspecified, forearmM84.94Disorder of continuity of bone, unspecified, handM84.95Disorder of continuity of bone, unspecified, pelvic region and thighM84.96Disorder of continuity of bone, unspecified, lower legM84.97Disorder of continuity of bone, unspecified, ankle and footM84.98Disorder of continuity of bone, unspecified, other site