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M62.81 — Muscle weakness (generalized)
M62.81
What this code means
Generalised muscle weakness is reduced strength in muscles throughout the body, recorded as a finding while the cause is assessed.
Also called: muscle weakness, generalized weakness.
When this code is used
Used for muscle weakness (generalized).
Where it sits in ICD-10-CM
Code M62.81 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
Frequently asked questions
What is ICD-10-CM code M62.81?
M62.81 is the ICD-10-CM diagnosis code for “Muscle weakness (generalized)”. Generalised muscle weakness is reduced strength in muscles throughout the body, recorded as a finding while the cause is assessed.
When is code M62.81 used?
Used for muscle weakness (generalized). 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.