M46.0 ICD-10-CA subcategory: Spinal enthesopathy
M46.0 isn’t a code on its own. Choose one of the 10 codes beneath it, the one the documentation supports.
Official description
M46.0Spinal enthesopathy
ICD-10-CA · Canada · Also written M460
Codes in M46.0
M46.0 isn’t a code on its own. Open the code that matches what the note documents.
M46.00Spinal enthesopathy, multiple sites in spineM46.01Spinal enthesopathy, occipito-atlanto-axial regionM46.02Spinal enthesopathy, cervical regionM46.03Spinal enthesopathy, cervicothoracic regionM46.04Spinal enthesopathy, thoracic regionM46.05Spinal enthesopathy, thoracolumbar regionM46.06Spinal enthesopathy, lumbar regionM46.07Spinal enthesopathy, lumbosacral regionM46.08Spinal enthesopathy, sacral and sacrococcygeal regionM46.09Spinal enthesopathy, unspecified siteNotes for M46.0
As CIHI prints them, with any note M46.0 takes from the headings above it.
Includes
- Disorder of ligamentous or muscular attachments of spine
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
- 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 M46.0 sits
- 1ChapterChapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99)
- 2Block M40-M54Dorsopathies
- 3Block M45-M49Spondylopathies
- 4Category M46Other inflammatory spondylopathies
- 5Subcategory M46.0Spinal enthesopathy
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
Is M46.0 a valid ICD-10-CA code?
No. M46.0 (Spinal enthesopathy) is a subcategory heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 10 codes; record the one the documentation supports.
Where is M46.0 in ICD-10-CA?
M46.0 sits under M46 Other inflammatory spondylopathies, within M45-M49 Spondylopathies, within M40-M54 Dorsopathies, within Chapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99).
What coding notes apply to M46.0?
ICD-10-CA lists Includes, Note, Excludes notes for M46.0, 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.