81346 prior authorization | Blue Cross and Blue Shield of Montana

81346, Tyms (Thymidylate Synthetase) (Eg 5- Fluorouracil/5-Fu Drug Metabolism) Gene Analysis Common Variant(S) (Eg Tandem Repeat Variant), is on the Blue Cross and Blue Shield of Montana commercial prior authorization list. Not a coverage or referral decision.

Code: 81346
Description: Tyms (Thymidylate Synthetase) (Eg 5- Fluorouracil/5-Fu Drug Metabolism) Gene Analysis Common Variant(S) (Eg Tandem Repeat Variant)
Source: 2026 Commercial Medical Surgical Prior Authorization Code List, Pg 127 Original policy

Blue Cross and Blue Shield of Montana prior authorization

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