84138 Assay of pregnanetriol
Also known as: pregnanetriol assay, adrenal steroid metabolite, congenital adrenal hyperplasia marker
Quantitative assay of serum pregnanetriol, a steroid metabolite reflecting abnormal cortisol and androgen metabolism.
In Plain Language
adrenal hormone metabolite test
Clinical Context
Elevated in congenital adrenal hyperplasia; used to screen for 21-hydroxylase deficiency and monitor steroid replacement therapy.
RVU Information
CPT 84138 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 84138?
CPT 84138 (Assay of pregnanetriol) is a Pathology & Lab code. Quantitative assay of serum pregnanetriol, a steroid metabolite reflecting abnormal cortisol and androgen metabolism.
Who uses CPT code 84138?
CPT 84138 is used by Clinical Chemistry, Endocrinology, Pediatrics. Elevated in congenital adrenal hyperplasia; used to screen for 21-hydroxylase deficiency and monitor steroid replacement therapy.
When is CPT 84138 used?
Elevated in congenital adrenal hyperplasia; used to screen for 21-hydroxylase deficiency and monitor steroid replacement therapy.
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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.