84305 Assay of somatomedin
Also known as: somatomedin, IGF-1, growth hormone marker
Quantitative assay of serum somatomedin (insulin-like growth factor) concentration, measuring growth factor activity.
In Plain Language
growth hormone effect test
Clinical Context
Evaluates growth hormone deficiency and pituitary dysfunction; more stable than growth hormone and better reflects GH status.
RVU Information
CPT 84305 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 84305?
CPT 84305 (Assay of somatomedin) is a Pathology & Lab code. Quantitative assay of serum somatomedin (insulin-like growth factor) concentration, measuring growth factor activity.
Who uses CPT code 84305?
CPT 84305 is used by Endocrinology, Clinical Chemistry, Pediatrics. Evaluates growth hormone deficiency and pituitary dysfunction; more stable than growth hormone and better reflects GH status.
When is CPT 84305 used?
Evaluates growth hormone deficiency and pituitary dysfunction; more stable than growth hormone and better reflects GH status.
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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.