84228 Assay of quinine
Also known as: quinine level, drug assay, therapeutic drug monitoring
Quantitative assay of serum quinine concentration, measuring this antimalarial and antiarrhythmic drug level.
In Plain Language
antimalarial drug level test
Clinical Context
Therapeutic drug monitoring for toxicity; historically used for leg cramps but concerns for cinchonism and thrombocytopenia limit use.
RVU Information
CPT 84228 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 84228?
CPT 84228 (Assay of quinine) is a Pathology & Lab code. Quantitative assay of serum quinine concentration, measuring this antimalarial and antiarrhythmic drug level.
Who uses CPT code 84228?
CPT 84228 is used by Clinical Chemistry, Toxicology, Laboratory Medicine. Therapeutic drug monitoring for toxicity; historically used for leg cramps but concerns for cinchonism and thrombocytopenia limit use.
When is CPT 84228 used?
Therapeutic drug monitoring for toxicity; historically used for leg cramps but concerns for cinchonism and thrombocytopenia limit use.
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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.