Summary & Overview
CPT 83050: Methemoglobin Quantitative Measurement, Blood
CPT code 83050 denotes a laboratory test that quantitatively measures methemoglobin levels in blood. This assay identifies an abnormal hemoglobin form that impairs oxygen delivery and can result from inherited disorders, specific drugs, or dietary exposures. The test is clinically important for diagnosing causes of unexplained cyanosis and guiding acute management in emergency and inpatient settings. Nationally, methemoglobin testing is a specialized laboratory service used across hospital laboratories, clinical reference labs, and emergency departments.
Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical context and typical sites of service, plus benchmarking and coverage context where available. The publication covers expected use cases, common billing considerations, and clinical scenarios prompting testing. It also summarizes payer coverage patterns and national reimbursement context where present. Data not available in the input is identified explicitly.
Billing Code Overview
CPT code 83050 measures the quantitative level of methemoglobin in a blood sample. Methemoglobin is an abnormal form of hemoglobin that can impart a brownish color to blood and reduce oxygen delivery, often associated with genetic variants, drug exposures, or ingestion of certain foods. Patients with elevated methemoglobin levels may present with cyanosis (bluish skin color) and symptoms related to tissue hypoxia.
-
Service type: Laboratory quantitative measurement of methemoglobin
-
Typical site of service: Clinical laboratory or hospital laboratory performing venous or arterial blood testing
Clinical & Coding Specifications
Clinical Context
A 28-year-old outpatient presents to the emergency department with cyanosis and chocolate-brown appearing blood after exposure to a topical anesthetic. The emergency physician orders a quantitative methemoglobin assay to confirm suspected methemoglobinemia. A phlebotomy technician draws a venous blood specimen using standard collection tubes and delivers it to the hospital clinical laboratory. A medical laboratory scientist performs the 83050 assay on a blood sample, documents the percent methemoglobin, and reports results in the electronic medical record to the ordering clinician. Typical sites of service include hospital laboratories (inpatient and outpatient), emergency departments, urgent care clinics, and independent clinical laboratories. The clinical workflow includes specimen collection, accessioning, analysis by co-oximetry or spectrophotometry, result verification by a licensed laboratory professional, and transmission of quantitative methemoglobin level to the ordering provider for treatment decisions.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | Use when only the laboratory professional interpretation is billed separately from the technical component. |
TC |