Hemoglobin, Serum
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
Specimen Required
Serum separator tube or plain red.
Allow specimen to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection (delayed separation from cells will elevate serum hemoglobin).Transfer 2 mL serum to an ARUP Standard Transport Tube. (Min: 0.7 mL)
Refrigerated.
Ambient: 2 hours; Refrigerated: 1 week; Frozen: Unacceptable
Methodology
Quantitative Spectrophotometry
Performed
Sun-Sat
Reported
1-3 days
Reference Interval
0.0-11.3 mg/dL
Interpretive Data
Standard
Note
Hotline History
CPT Codes
84311
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0020057 | Hemoglobin, Serum | 4635-9 |
Aliases
- Free Hemoglobin