Is R53.82 a billable ICD-10-CM code?

Yes. R53.82 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does R53.82 sit in the tabular list?

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block General symptoms and signs (R50-R69).

What cannot be coded together with R53.82?

R53.82 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above R53.82 (R53.8) and apply to it just the same.

R53.82

R53.82 — Chronic fatigue, unspecified

Billable / specific codeICD-10-CM

R53.82 is a billable, specific ICD-10-CM code for chronic fatigue, unspecified. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

chronic fatigue syndrome (G93.32)
myalgic encephalomyelitis (G93.32)
other post infection and related fatigue syndromes (G93.39)
postviral fatigue syndrome (G93.31)

Excludes1 inherited from the categories above R53.82

These are not written on R53.82, but they bind it: a note on a category applies to every code beneath it. Billing R53.82 with anything listed here is a denial.

Written on R53.8 — Other malaise and fatigue

combat exhaustion and fatigue (F43.0)
congenital debility (P96.9)
exhaustion and fatigue due to excessive exertion (T73.3)
exhaustion and fatigue due to exposure (T73.2)
exhaustion and fatigue due to heat (T67.-)
exhaustion and fatigue due to pregnancy (O26.8-)
exhaustion and fatigue due to recurrent depressive episode (F33-)
exhaustion and fatigue due to senile debility (R54)

Other codes that can never be billed with R53.82

These codes carry an Excludes1 note pointing at R53.82. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading R53.82 alone.

G93.3Postviral and related fatigue syndromes

Risk adjustment

R53.82 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

R53.82 is named in 2 Medicare coverage policies — 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A58921Billing and Coding: Mass Spectrometry (MS) Testing in Monoclonal Gammopathy (MG)
A59186Billing and Coding: Magnesium

How R53.82 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to R53.82.

Fatigue›chronic

Code history

R53.82 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share R53.8. If R53.82 is not quite right, the correct code is usually one of these.

Questions about R53.82

Is R53.82 a billable ICD-10-CM code?: Yes. R53.82 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does R53.82 sit in the tabular list?: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block General symptoms and signs (R50-R69).
What cannot be coded together with R53.82?: R53.82 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above R53.82 (R53.8) and apply to it just the same.