Home
Career Stage
Medical Students Residents Attendings CPT Codes Resources Blog Support

84081 Assay phosphatidylglycerol

Pathology & Lab

Also known as: phosphatidylglycerol assay, PG assay, fetal lung maturity

Quantitative assay of phosphatidylglycerol, a phospholipid typically measured in amniotic fluid to assess fetal lung maturity and development.

In Plain Language

amniotic fluid lung maturity test

Clinical Context

Used during pregnancy to assess fetal lung maturity and reduce risk of respiratory distress syndrome in newborns, particularly in high-risk pregnancies requiring early delivery.

RVU Information

CPT 84081 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

ObstetricsPathologyPerinatology

Frequently Asked Questions

What is CPT code 84081?

CPT 84081 (Assay phosphatidylglycerol) is a Pathology & Lab code. Quantitative assay of phosphatidylglycerol, a phospholipid typically measured in amniotic fluid to assess fetal lung maturity and development.

Who uses CPT code 84081?

CPT 84081 is used by Obstetrics, Pathology, Perinatology. Used during pregnancy to assess fetal lung maturity and reduce risk of respiratory distress syndrome in newborns, particularly in high-risk pregnancies requiring early delivery.

When is CPT 84081 used?

Used during pregnancy to assess fetal lung maturity and reduce risk of respiratory distress syndrome in newborns, particularly in high-risk pregnancies requiring early delivery.

Track This Code in RVU Edge

Log procedures, calculate wRVUs, and benchmark against national data — all in one app.

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.