R50.81

R50.81: Fever presenting with conditions classified elsewhere

Billable / specific codeICD-10-CM

R50.81 is a billable, specific ICD-10-CM code for fever presenting with conditions classified elsewhere. It is valid for submission on a claim.

Check R50.81 with the rest of the claim: free scrubber

Code first

The underlying condition must be sequenced before this code.

underlying condition when associated fever is present, such as with:
leukemia (C91-C95)
neutropenia (D70.-)
sickle-cell disease (D57.-)

Excludes1 inherited from the categories above R50.81

A category’s note binds every code beneath it.

Written on R50: Fever of other and unknown origin

chills without fever (R68.83)
febrile convulsions (R56.0-)
fever of unknown origin during labor (O75.2)
fever of unknown origin in newborn (P81.9)
hypothermia due to illness (R68.0)
malignant hyperthermia due to anesthesia (T88.3)
puerperal pyrexia NOS (O86.4)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

R50.81 is named in 14 Medicare coverage policies: 14 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56421Billing and Coding: CT of the Abdomen and Pelvis
A56476Billing and Coding: Cardiac Radionuclide Imaging
A56505Billing and Coding: Transesophageal Echocardiography (TEE)
A56625Billing and Coding: Echocardiography

Alphabetic index entries that lead here

Fever›presenting with conditions classified elsewhere
Fever›due to›conditions classified elsewhere

Code history

Unchanged in every release from FY2024 to FY2027.