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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Hemoglobin

Test Code(s): HGB

CPT Code(s): 85018

Test Description: Included In: CBC with Differential, CBC without Differential

Methodology: Spectrophotometry

Days Performed: Daily, 24 hours.

Turnaround Time: Stat: 1 hour.
Routine: 4 hours.

Specimen Requirements

Specimen: Blood

Collection Container: Preferred: K3EDTA-Lavender top
Also Acceptable: K2EDTA-Lavender top, Pink top tube

Collection Volume: Preferred: 4 mL
Pediatrics: 1 mL

Sample Analyzed: Whole Blood

Volume Required: Preferred: 1 mL
Pediatrics: 0.25 mL in microtainer

Specimen Transport: Transport specimen to laboratory at ambient temperature.

Unacceptable Criteria: Clotted specimens are not acceptable.Tubes with <25% of fill volume.

Stability: Ambient: 24 hours
Refrigerated: Not acceptable
Frozen: Not acceptable


Reference Interval:
 Age  g/dL
 0 days-29 days  15.0-24.0
 30 days-5 months  9.0-18.0
 6 months-23 months  10.5-14.0
 24 months-9 years  11.5-14.5
 10-17 years, male  12.5-16.1
 10-17 years, female  12.0-15.0
 18 years and up, male  13.6-17.2
 18 years and up, female  11.6-15.6


Critical Calls: View

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