R53.82 — Chronic fatigue, unspecified
Is R53.82 billable?
Yes, but R53.82 is an unspecified code. R53.82 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, R53.82 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting R53.82 — the more specific alternatives are listed below.
More specific alternatives
R53.82 at a glance
| Code | R53.82 |
|---|---|
| Description | Chronic fatigue, unspecified |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does R53.82 group to?
R53.82 sits in MDC 23 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 947Signs and Symptoms with MCCmedical
- 948Signs and Symptoms without MCCmedical
How is R53.82 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to R53.82. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Fatigue › chronic
Excludes1 — never code together
The conditions below can never be reported together with R53.82 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from R53.8
The conditions below can never be reported together with R53.82 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- 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)
Excludes2 — not included here — inherited from Chapter 18
The conditions below are not part of R53.82, but a patient may have both at the same time. When documentation supports it, R53.82 and the excluded code may both be reported.
How long has R53.82 existed?
R53.82 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.