84140 Assay of pregnenolone
Also known as: pregnenolone assay, DHEA precursor, adrenal steroid
Quantitative assay of serum pregnenolone, the first steroid hormone in the adrenal synthesis pathway.
In Plain Language
adrenal hormone precursor test
Clinical Context
Measured to assess adrenal steroid synthesis and diagnose adrenal disorders; elevated in certain forms of congenital adrenal hyperplasia.
RVU Information
CPT 84140 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 84140?
CPT 84140 (Assay of pregnenolone) is a Pathology & Lab code. Quantitative assay of serum pregnenolone, the first steroid hormone in the adrenal synthesis pathway.
Who uses CPT code 84140?
CPT 84140 is used by Clinical Chemistry, Endocrinology, Laboratory Medicine. Measured to assess adrenal steroid synthesis and diagnose adrenal disorders; elevated in certain forms of congenital adrenal hyperplasia.
When is CPT 84140 used?
Measured to assess adrenal steroid synthesis and diagnose adrenal disorders; elevated in certain forms of congenital adrenal hyperplasia.
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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.