R94.6
Billable codeAbnormal results of thyroid function studies
The ICD-10 code for abnormal results of thyroid function studies is R94.6.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- 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
- R94.7Abnormal results of other endocrine function studies
- R94.8Abnormal results of function studies of other organs and systems
- R94.6Abnormal results of thyroid function studies
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7945
Associated MS-DRGs
R94.6 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.