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

84030 Assay of blood pku

Pathology & Lab

Also known as: blood phenylalanine, phenylketonuria screen

Quantitative measurement of phenylalanine level in blood using fluorometric, chromatographic, or tandem mass spectrometry methods.

In Plain Language

phenylketonuria test; newborn screening

Clinical Context

Neonatal screening for phenylketonuria (PKU) through measurement of elevated phenylalanine. Essential component of newborn screening to prevent intellectual disability.

RVU Information

CPT 84030 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

PathologyPediatricsNewborn Screening

Frequently Asked Questions

What is CPT code 84030?

CPT 84030 (Assay of blood pku) is a Pathology & Lab code. Quantitative measurement of phenylalanine level in blood using fluorometric, chromatographic, or tandem mass spectrometry methods.

Who uses CPT code 84030?

CPT 84030 is used by Pathology, Pediatrics, Newborn Screening. Neonatal screening for phenylketonuria (PKU) through measurement of elevated phenylalanine. Essential component of newborn screening to prevent intellectual disability.

When is CPT 84030 used?

Neonatal screening for phenylketonuria (PKU) through measurement of elevated phenylalanine. Essential component of newborn screening to prevent intellectual disability.

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.