R53.1

Weakness

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · R53.1
Excludes 1

age-related weakness (R54) muscle weakness (generalized) (M62.81) sarcopenia (M62.84) senile asthenia (R54)

Synonyms

Asthenia NOS

Inherited from chapter 18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Excludes 2

abnormal findings on antenatal screening of mother (O28.-) certain conditions originating in the perinatal period (P04-P96) signs and symptoms classified in the body system chapters signs and symptoms of breast (N63, N64.5)

Official Guidelines for R53.1

FY 2026 ›
I.C.18Chapter-specific guidanceChapter 18: Symptoms, signs, and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

Subsections

Sections that reference R53.1

Sections whose FY 2026 text names R53.1, its R53 category, or a range containing it — the chapter guidance above is the authoritative source.

Find R53.1 in the alphabetic index

2 index paths lead to this code