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Test Code LAB291 Hemoglobin

Clinical System Name

Hemoglobin

Synonyms

HGB

HB

HG

HEM

HEMO

LAB291

 

Sample Requirements

Specimen: Whole Blood

Container(s):  Lavender/EDTA,  *Heparinized Syringe acceptable from OR only

Preferred Vol:  1.0-3.0 mL

Minimum Vol:  0.5 mL Microtainer; 1.0 mL Macrotainer

 

Notes: A Lavender top/EDTA Macrotainer must contain at least 1.0 mL.

Processing Instructions

Reject due to:  Insufficient Quantity, Wrong Sample Collection, Clotted Sample, Age of Specimen

Spin: N

Aliquot: N

Temp: RT

Storage location:  Core 5 Fridge

 

Off-site collection: Store whole blood at room temperature and transport to Children's Lab immediately. Samples > 24 hours old may be rejected.

Stability

Specimen Type Temperature Time
Whole Blood RT

≤ 24 h
Whole Blood 2-8 C

≤ 48 h
  -20 C or -70 C

N

Availability

STAT Performed TAT
Y 24/7 1 h

Performing Laboratory

Seattle Children's Laboratory    

Department

Department:  Core Hematology

Phone Number: 206-987-2617 (Client Services)

CPT Codes

85018

Methodology

Method:  Sysmex XN-3000 & XN-1000: light absorbance detection

Analytical Volume:  0.25 mL whole blood

Reference Range

Male and Female

0 – 3 d

14.5 – 22.5 g/dL

Male and Female

3 d – 1 w

13.5 – 21.5 g/dL

Male and Female

1 w – 2 w

12.5 – 20.5 g/dL

Male and Female

2 w – 1 m

10.0 – 18.0 g/dL

Male and Female

1 m – 2 m

9.0 – 14.0 g/dL

Male and Female

2 m – 6 m

9.5 – 13.5 g/dL

Male and Female

6 m – 2 y

10.5 – 13.5 g/dL

Male and Female

2 y – 6 y

11.5 – 13.5 g/dL

Male and Female

6 y – 12 y

11.5 – 15.5 g/dL

Female

12 y – Adult

12.0 – 16.0 g/dL

Male

12 y – 18 y

13.0 – 16.0  g/dL

Male

18 y – Adult

13.5 – 17.5 g/dL

Critical Value

Hemoglobin < 7 g/dL

Updated June 2023