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M41.85 ICD-10-CA code: Other forms of scoliosis, thoracolumbar region

M41.85 is the ICD-10-CA code for “Other forms of scoliosis, thoracolumbar region” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

M41.85

Other forms of scoliosis, thoracolumbar region

Short description: Oth forms scoliosis thoracolumbar rgn

ICD-10-CA · Canada · Also written M4185

Notes for M41.85

As CIHI prints them, with any note M41.85 takes from the headings above it.

Includes

Excludes

Conditions classified elsewhere.

  • Congenital scoliosis:• NOS (Q67.5)• due to bony malformation (Q76.3)• postural (Q67.5)kyphoscoliotic heart disease (I27.1)postprocedural (M96.-)From M41 Scoliosis
  • 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 M41.85 sits

  1. 1ChapterChapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99)
  2. 2Block M40-M54Dorsopathies
  3. 3Block M40-M43Deforming dorsopathies
  4. 4Category M41Scoliosis
  5. 5Subcategory M41.8Other forms of scoliosis
  6. 6Valid code M41.85Other forms of scoliosis, thoracolumbar region

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 M41.85 in the CIHI source

Frequently asked questions

What does ICD-10-CA code M41.85 mean?

M41.85 is the ICD-10-CA code for “Other forms of scoliosis, thoracolumbar region” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is M41.85 in ICD-10-CA?

M41.85 sits under M41.8 Other forms of scoliosis, within M41 Scoliosis, within M40-M43 Deforming dorsopathies, within M40-M54 Dorsopathies, within Chapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99).

What coding notes apply to M41.85?

ICD-10-CA lists Includes, Excludes, Note notes for M41.85, 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 M41.85

M41.80Other forms of scoliosis, multiple sites in spineM41.82Other forms of scoliosis, cervical regionM41.83Other forms of scoliosis, cervicothoracic regionM41.84Other forms of scoliosis, thoracic regionM41.86Other forms of scoliosis, lumbar regionM41.87Other forms of scoliosis, lumbosacral regionM41.89Other forms of scoliosis, unspecified site