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R94.8

R94.8Abnormal results of function studies of other organs and systems

Billable / specific codeICD-10-CM

R94.8 is a billable, specific ICD-10-CM code for abnormal results of function studies of other organs and systems. It is valid for submission on a claim.

Inclusion terms

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

  • Abnormal basal metabolic rate [BMR]
  • Abnormal bladder function test
  • Abnormal splenic function test

Risk adjustment

R94.8 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

R94.8 is named in 3 Medicare coverage policies 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
  • A57206Billing and Coding: Lumbar MRI

How R94.8 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 R94.8.

  • Abnormal, abnormality, abnormalitiesbasal metabolic rate
  • Depressionbasal metabolic rate
  • Elevated, elevationbasal metabolic rate
  • Findings, abnormal, inconclusive, without diagnosisfunction study NEC
  • Findings, abnormal, inconclusive, without diagnosisscan NEC
  • Highbasal metabolic rate
  • Lowbasal metabolic rate
  • Abnormal, abnormality, abnormalitiesfunction studiesbladder
  • Abnormal, abnormality, abnormalitiesfunction studiespancreas
  • Abnormal, abnormality, abnormalitiesfunction studiesplacenta
  • Abnormal, abnormality, abnormalitiesfunction studiesspleen
  • Findings, abnormal, inconclusive, without diagnosisfunction study NECbladder

Related codes at this level

Codes that share R94. If R94.8 is not quite right, the correct code is usually one of these.

Questions about R94.8

Is R94.8 a billable ICD-10-CM code?
Yes. R94.8 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does R94.8 sit in the tabular list?
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Abnormal findings on diagnostic imaging and in function studies, without diagnosis (R90-R94).
ICD-10-CMFY2026-Apr· effective April 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.