Ordering Recommendation

• Identify increased concentration, which is indicative of acute intravascular destruction of erythrocytes.
• Not of clinical value in the diagnosis of chronic hemolytic disorders.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Green (sodium or lithium heparin).

Specimen Preparation

Separate plasma from cells ASAP or within 2 hours of collection (delayed separation from cells will elevate plasma hemoglobin). Transfer 2 mL plasma to an ARUP Standard Transport Tube. (Min: 0.7 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

EDTA or citrated plasma.

Remarks
Stability

Ambient: 2 hours; Refrigerated: 1 week; Frozen: Unacceptable

Methodology

Quantitative Spectrophotometry

Performed

Sun-Sat

Reported

1-3 days

Reference Interval

0.0-9.7 mg/dL

Interpretive Data



Compliance Category

Standard

Note

Hotline History

N/A

CPT Codes

83051

Components

Component Test Code* Component Chart Name LOINC
0020058 Hemoglobin, Plasma 721-1
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Free Hemoglobin
Hemoglobin, Plasma