M54.50 — Low back pain, unspecified

M54.50

ICD-10 Chapter 13: Musculoskeletal & Connective Tissue — illustrative image — Chapter 13: Diseases of the musculoskeletal system and connective tissue (M00–M99) — illustrative image

What this code means

Low back pain (lumbago) recorded without a specified cause or radiation pattern.

Also called: low back pain, lumbago, back pain.

When this code is used

Used for low back pain, unspecified.

Where it sits in ICD-10-CM

Code M54.50 belongs to Chapter 13: Diseases of the musculoskeletal system and connective tissue, which covers codes M00–M99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.

Related symptoms

Back pain

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Frequently asked questions

What is ICD-10-CM code M54.50?

M54.50 is the ICD-10-CM diagnosis code for “Low back pain, unspecified”. Low back pain (lumbago) recorded without a specified cause or radiation pattern.

When is code M54.50 used?

Used for low back pain, unspecified. It belongs to Chapter 13 of ICD-10-CM (Diseases of the musculoskeletal system and connective tissue).

This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.