MCMedicalCodingSoftware
R94.4

R94.4: Abnormal results of kidney function studies

Billable / specific codeICD-10-CM

R94.4 is a billable, specific ICD-10-CM code for abnormal results of kidney function studies. It is valid for submission on a claim.

Check R94.4 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Abnormal renal function test

Risk adjustment

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

Medicare coverage

R94.4 is named in 7 Medicare coverage policies: 7 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A55336Billing and Coding: Retroperitoneal Ultrasound
  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A56682Billing and Coding: Diagnostic Abdominal Aortography and Renal Angiography
  • A57056Billing and Coding: Aortography and Peripheral Angiography

Alphabetic index entries that lead here

  • Abnormal, abnormality, abnormalities›creatinine clearance
  • Abnormal, abnormality, abnormalities›kidney function test
  • Abnormal, abnormality, abnormalities›renal function test
  • Findings, abnormal, inconclusive, without diagnosis›creatinine clearance
  • Abnormal, abnormality, abnormalities›function studies›kidney
  • Abnormal, abnormality, abnormalities›scan›kidney
  • Findings, abnormal, inconclusive, without diagnosis›function study NEC›kidney
  • Findings, abnormal, inconclusive, without diagnosis›scan NEC›kidney

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under R94

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.