82330 Assay of calcium
Also known as: ionized calcium, free calcium, calcium ion
Ion-selective electrode or spectrophotometric measurement of ionized (free) calcium in serum or plasma independent of protein binding.
In Plain Language
active calcium test; free calcium level; physiologic calcium measurement
Clinical Context
More physiologically accurate than total calcium in critically ill patients with abnormal albumin or citrate binding.
RVU Information
CPT 82330 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 82330?
CPT 82330 (Assay of calcium) is a Pathology & Lab code. Ion-selective electrode or spectrophotometric measurement of ionized (free) calcium in serum or plasma independent of protein binding.
Who uses CPT code 82330?
CPT 82330 is used by Pathology, Critical Care, Internal Medicine. More physiologically accurate than total calcium in critically ill patients with abnormal albumin or citrate binding.
When is CPT 82330 used?
More physiologically accurate than total calcium in critically ill patients with abnormal albumin or citrate binding.
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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.