Testing facility

In the Medicare program, provider or supplier that furnishes diagnostic tests such as a physician, group of physicians (e.g., radiologist, pathologist), laboratory, or independent diagnostic testing facility (IDTF).

TF

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating intermediate level of care. It is required by some Medicaid and state health departments, so check with your state guidelines.

TG

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating a complex or highly technical level of care. It is required by some Medicaid and state health departments, so check with your state guidelines.

TH

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating obstetrical treatment or service, prenatal or postpartum. When submitting insurance claims, it is required by some Medicaid and state health departments, so check with your state guidelines.