84132 Assay of serum potassium
Also known as: potassium test, serum K+, potassium level
Quantitative assay of serum potassium concentration, an electrolyte critical for cardiac function and muscle contraction.
In Plain Language
blood potassium level test
Clinical Context
Standard chemistry panel component; abnormal levels (hyperkalemia or hypokalemia) cause cardiac arrhythmias, weakness, and require urgent correction.
RVU Information
CPT 84132 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 84132?
CPT 84132 (Assay of serum potassium) is a Pathology & Lab code. Quantitative assay of serum potassium concentration, an electrolyte critical for cardiac function and muscle contraction.
Who uses CPT code 84132?
CPT 84132 is used by Clinical Chemistry, Pathology, Internal Medicine. Standard chemistry panel component; abnormal levels (hyperkalemia or hypokalemia) cause cardiac arrhythmias, weakness, and require urgent correction.
When is CPT 84132 used?
Standard chemistry panel component; abnormal levels (hyperkalemia or hypokalemia) cause cardiac arrhythmias, weakness, and require urgent correction.
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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.