Apr 2, 2015




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Hematology


Hemoglobin (HGB) Hematology Lab Test

Name: Hemoglobin

Test Name: Hemoglobin

Health Link Test Code: HGB

LIS Test Code: HGB

CPT Code(s): 85018

Included In: CBC with Differential, CBC without Differential

Methodology: Spectrophotometry

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: 4 hours.

Stat In-Lab Turnaround Time: 1 hour.

Specimen: Blood

Collection Container: K3EDTA-Lavender top

Also Acceptable: K2EDTA-Lavender top, Pink top tube

Collection Volume: 4 mL

Pediatric Collection Volume: 1 mL

Stability Ambient:

24 hours

Stability Refridgerated:

Not acceptable

Stability Frozen:

Not acceptable

Sample Analyzed: Whole Blood

Testing Volume: 1 mL

Pediatric Testing Volume: 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.


 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


Interpretation Type: Reference Interval

Critical Calls: yes