AMA CPT® Assistant - 2006 Issue 5 (May)

Pathology and Laboratory: Other Procedures (May 2006)

May 2006 page 19a Other Procedures, 89049 (Q&A) Question What is the purpose of CPT code 89049, Caffeine halothane contracture test (CHCT) for malignant hyperthermia susceptibility, including interpretation and report? AMA Comment Code 89049 is performed via a muscle biopsy and used to test people undergoing anesthesia to identify individuals who are susceptible to malignant hyperthermia. Other Procedures, 89049 (Q&A). CPT® Assistant. 2006; May 2006 page 19a ...

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CPT® Assistant content is the official source for CPT® coding guidance. It is an instrumental tool when appealing insurance denials and validating coding to auditors. Monthly issues and an extensive archive provide comprehensive guidance on proper CPT® coding for past, present and upcoming code set releases. Archives date back to 1990 for historical use of codes, changes, rationales, coding tips and trends in the industry.

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