R94
Header — not billableAbnormal results of function studies
The ICD-10 code for abnormal results of function studies is R94.
R94 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 9 more specific codes below.
Clinical notes
Includes
Terms listed here further define or give examples of the conditions grouped under this code — they describe what the code covers, not a separate diagnosis.
- abnormal results of radionuclide [radioisotope] uptake studies
- abnormal results of scintigraphy
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under R94
- R94.0Abnormal results of function studies of central nervous systemnon-billable header
- R94.1Abnormal results of function studies of peripheral nervous system and special sensesnon-billable header
- R94.2Abnormal results of pulmonary function studies
- R94.3Abnormal results of cardiovascular function studiesnon-billable header
- 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
Related codes in this category
- R90Abnormal findings on diagnostic imaging of central nervous systemnon-billable header
- R91Abnormal findings on diagnostic imaging of lungnon-billable header
- R92Abnormal and inconclusive findings on diagnostic imaging of breastnon-billable header
- R93Abnormal findings on diagnostic imaging of other body structuresnon-billable header
- R94Abnormal results of function studiesnon-billable header