R94 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Abnormal results of function studies.
Abnormal results of radionuclide [radioisotope] uptake studies
Abnormal results of scintigraphy
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Abnormal results of function studies of central nervous system
Abnormal results of function studies of peripheral nervous system and special senses
Abnormal results of pulmonary function studies
Abnormal results of cardiovascular function studies
Abnormal results of kidney function studies
Abnormal results of liver function studies
Abnormal results of thyroid function studies
Abnormal results of other endocrine function studies
Abnormal results of function studies of other organs and systems
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