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R50.2

R50.2: Drug induced fever

Billable / specific codeICD-10-CM

R50.2 is a billable, specific ICD-10-CM code for drug induced fever. It is valid for submission on a claim.

Check R50.2 with the rest of the claim: free scrubber

Excludes1: never code together

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

  • postvaccination (postimmunization) fever (R50.83)

Use additional code

Add a secondary code to capture the detail described below.

  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Excludes1 inherited from the categories above R50.2

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

R50.2 is named in 5 Medicare coverage policies: 5 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56476Billing and Coding: Cardiac Radionuclide Imaging
  • A56505Billing and Coding: Transesophageal Echocardiography (TEE)
  • A56625Billing and Coding: Echocardiography
  • A56781Billing and Coding: Transthoracic Echocardiography (TTE)

Alphabetic index entries that lead here

  • Drug›induced fever
  • Fever›drug induced
  • Fever›iodide
  • Fever›steroid
  • Steroid›effects›fever

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under R50

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.