Home
Career Stage
Medical Students Residents Attendings CPT Codes Resources Blog Support

80422 Glucagon tolerance panel

Pathology & Lab

Also known as: glucagon stimulation test, glucagon challenge

Glucagon tolerance panel measuring glucose response to glucagon administration to assess hypoglycemia and glycogen stores.

In Plain Language

blood sugar response test

Clinical Context

Used to evaluate hypoglycemia, assess hepatic glycogen stores, and diagnose factitious hypoglycemia from insulin overdose.

RVU Information

CPT 80422 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

EndocrinologyInternal MedicineLaboratory Medicine

Frequently Asked Questions

What is CPT code 80422?

CPT 80422 (Glucagon tolerance panel) is a Pathology & Lab code. Glucagon tolerance panel measuring glucose response to glucagon administration to assess hypoglycemia and glycogen stores.

Who uses CPT code 80422?

CPT 80422 is used by Endocrinology, Internal Medicine, Laboratory Medicine. Used to evaluate hypoglycemia, assess hepatic glycogen stores, and diagnose factitious hypoglycemia from insulin overdose.

When is CPT 80422 used?

Used to evaluate hypoglycemia, assess hepatic glycogen stores, and diagnose factitious hypoglycemia from insulin overdose.

Track This Code in RVU Edge

Log procedures, calculate wRVUs, and benchmark against national data — all in one app.

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.