81335 Tpmt gene com variants
Also known as: TPMT pharmacogenomic test, thiopurine sensitivity testing
Thiopurine S-Methyltransferase (TPMT) gene analysis for common variants predicting thiopurine drug metabolism and toxicity risk.
In Plain Language
Leukemia drug metabolism test; Immunosuppressive drug sensitivity test
Clinical Context
Identifies TPMT variants predicting thiopurine toxicity in acute leukemia and immune disorder treatment to guide dosing.
RVU Information
CPT 81335 does not have a physician work RVU assigned by CMS. Reimbursement for this code is determined by payer-specific fee schedules.
Billing & Documentation
Lab and pathology codes require an order from the treating provider with clinical indication. For molecular pathology and genetic testing, document the specific analytes tested and clinical rationale.
How This Code Compares
This code has a work RVU of 0.00, meaning it does not have a physician work component assigned by CMS. In the Pathology & Lab category, 94% of codes share this characteristic.
Specialties
Frequently Asked Questions
What is CPT code 81335?
CPT 81335 (Tpmt gene com variants) is a Pathology & Lab code. Thiopurine S-Methyltransferase (TPMT) gene analysis for common variants predicting thiopurine drug metabolism and toxicity risk.
Who uses CPT code 81335?
CPT 81335 is used by Pathology, Pharmacogenomics, Hematology. Identifies TPMT variants predicting thiopurine toxicity in acute leukemia and immune disorder treatment to guide dosing.
When is CPT 81335 used?
Identifies TPMT variants predicting thiopurine toxicity in acute leukemia and immune disorder treatment to guide dosing.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.