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Test Code LAB291 Hemoglobin (Hgb), Blood

Reporting Title

Hemoglobin Blood

Methodology

Automated Multiparameter Hematology Analyzer

Useful in the evaluation of anemia.

Performing Laboratory

OhioHealth Laboratory Services-RMH, GMC, DH, DMH, MGH, GMH, HMH, GCMH, DHC, WECC, PMH, MH, SH, BH and OBH 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

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

Alerting priority: Always called within 1 hour

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

85018