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Test Code LAB753 Hemoglobin (Hgb) and Hematocrit (Hct), Blood

Reporting Title

Hematocrit Blood

Hemoglobin, Blood

Methodology

Automated Multiparameter Hematology Analyzer

Useful in the evaluation of anemia.

Performing Laboratory

OhioHealth Laboratory Services-RMH, GMC, DNH, DMH, MGH, GMH, HMH, GCMH, DHC, WECC, PMH, MH, SH and OMH Core Laboratories.

Specimen Requirements

Draw blood in a lavender-top (EDTA) tube(s) and send EDTA whole blood. Mix by gently inverting 8 times. Forward unprocessed whole blood promptly at ambient temperature only. Do not refrigerate.

Note:  1. Hgb results may be falsely elevated if specimen is grossly lipemic.

2. Increased WBCs and the presence of cold agglutinins may affect results.

Specimen Transport Temperature

Ambient: OK

Refrigerate: NO

Frozen: NO

Reference Values

Hgb

Males

Newborn-3 days:  14.5-22.5 g/dL

4-7 days:  13.5-21.5 g/dL

8-14 days:  12.5-20.5 g/dL

15-30 days:  10.0-18.0 g/dL

31 days-2 months:  9.0-14.0 g/dL

3-6 months:  9.5-13.5 g/dL

7 months-2 years:  10.5-13.5 g/dL

3-6 years:  11.5-13.5 g/dL

7-12 years:  11.5-15.5 g/dL

13-18 years:  13.0-16.0 g/dL

≥19 years:  13.5-17.5 g/dL

Females

Newborn-3 days:  14.5-22.5 g/dL

4-7 days:  13.5-21.5 g/dL

8-14 days:  12.5-20.5 g/dL

15-30 days:  10.0-18.0 g/dL

31 days-2 months:  9.0-14.0 g/dL

3-6 months:  9.5-13.5 g/dL

7 months-2 years:  10.5-13.5 g/dL

3-6 years:  11.5-13.5 g/dL

7-12 years:  11.5-15.5 g/dL

13-18 years:  12.0-16.0 g/dL

≥19 years:  12.0-16.0 g/dL

Critical values: Neonates:  <8.0 g/dL or >25.0 g/dL

                            ED/IP and Hospital based OP:  <7.0 g/dL or >20.0 g/dL

Delta (change from previous result):  >5.0 g/dL drop

Always called within 1 hour

Hct

Males

Newborn-1 day:  48-69%

1-3 days:  48-75%

4-7 days:  42-66%

8-14 days:  39-63%

15-30 days:  31-55%

31 days-2 months:  28-42%

3-6 months:  29-41%

7 months-2 years:  33-39%

3-6 years:  34-40%

7-12 years:  35-45%

13-18 years:  37-49%

≥19 years:  41-53%

Females

Newborn-1 day:  48-69%

1-3 days:  48-75%

4-7 days:  42-66%

8-14 days:  39-63%

15-30 days:  31-55%

31 days-2 months:  28-42%

3-6 months:  29-41%

7 months-2 years:  33-39%

3-6 years:  34-40%

7-12 years:  35-45%

≥13 years:  36-46%

 

 

 

Day(s) Test Set Up

Monday through Sunday; Continuously

Test Classification and CPT Coding

85014 - Hct

85018 - Hgb