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M54.16 ICD-10-CA code: Radiculopathy, lumbar region

M54.16 is the ICD-10-CA code for “Radiculopathy, lumbar region” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

M54.16

Radiculopathy, lumbar region

Short description: Radiculopathy lumbar region

ICD-10-CA · Canada · Also written M5416

Notes for M54.16

As CIHI prints them, with any note M54.16 takes from the headings above it.

Includes

  • Neuritis or radiculitis:• brachial NOS• lumbar NOS• thoracic NOSradiculitis NOSFrom M54.1 Radiculopathy

Excludes

Conditions classified elsewhere.

  • Neuralgia and neuritis NOS (M79.2)radiculopathy with:• cervical disc disorder (M50.1)• lumbar and other intervertebral disc disorder (M51.1)• spondylosis (M47.2)From M54.1 Radiculopathy
  • Psychogenic dorsalgia (F45.4)From M54 Dorsalgia
  • Current injury - see injury of spine by body regiondiscitis NOS (M46.4)From M50-M54 Other dorsopathies
  • 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 M54.16 sits

  1. 1ChapterChapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99)
  2. 2Block M40-M54Dorsopathies
  3. 3Block M50-M54Other dorsopathies
  4. 4Category M54Dorsalgia
  5. 5Subcategory M54.1Radiculopathy
  6. 6Valid code M54.16Radiculopathy, lumbar 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 M54.16 in the CIHI source

Frequently asked questions

What does ICD-10-CA code M54.16 mean?

M54.16 is the ICD-10-CA code for “Radiculopathy, lumbar region” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is M54.16 in ICD-10-CA?

M54.16 sits under M54.1 Radiculopathy, within M54 Dorsalgia, within M50-M54 Other dorsopathies, within M40-M54 Dorsopathies, within Chapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99).

What coding notes apply to M54.16?

ICD-10-CA lists Includes, Excludes, Note notes for M54.16, 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 M54.16

M54.10Radiculopathy, multiple sites in spineM54.12Radiculopathy, cervical regionM54.13Radiculopathy, cervicothoracic regionM54.14Radiculopathy, thoracic regionM54.15Radiculopathy, thoracolumbar regionM54.17Radiculopathy, lumbosacral regionM54.18Radiculopathy, sacral and sacrococcygeal regionM54.19Radiculopathy, unspecified site