R94.2
R94.2: Abnormal results of pulmonary function studies
Billable / specific codeICD-10-CM
R94.2 is a billable, specific ICD-10-CM code for abnormal results of pulmonary function studies. It is valid for submission on a claim.
Check R94.2 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Reduced ventilatory capacity
- Reduced vital capacity
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
R94.2 is named in 8 Medicare coverage policies: 8 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A53065Billing and Coding: Outpatient Physical Therapy
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
- A56697Billing and Coding: Non-Invasive Vascular Studies
- A56717Billing and Coding: Respiratory Therapy (Respiratory Care)
Alphabetic index entries that lead here
- Diminished, diminution›vital capacity
- Reduced›ventilatory or vital capacity
- Abnormal, abnormality, abnormalities›function studies›pulmonary
- Abnormal, abnormality, abnormalities›pulmonary›test results
- Findings, abnormal, inconclusive, without diagnosis›function study NEC›pulmonary
- Findings, abnormal, inconclusive, without diagnosis›scan NEC›lung
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under R94
- R94.0Abnormal results of function studies of central nervous system
- R94.1Abnormal results of function studies of peripheral nervous system and special senses
- R94.3Abnormal results of cardiovascular function studies
- R94.4Abnormal results of kidney function studies
- R94.5Abnormal results of liver function studies
- R94.6Abnormal results of thyroid function studies
- R94.7Abnormal results of other endocrine function studies
- R94.8Abnormal results of function studies of other organs and systems