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HelpTest Code HH Hemoglobin and Hematocrit, Blood
Performing Laboratory
MaineGeneral Medical Center
Reference Values
HEMOGLOBIN
Males
0-8 days: 14.5-22.5 g/dL
9 days-24 months: 10.5-13.5 g/dL
2-9 years: 11.5-15.5 g/dL
10-17 years: 13.0-16.0 g/dL
≥18 years: 14.0-18.0 g/dL
Females
0-8 days: 14.5-22.5 g/dL
9 days-24 months: 10.5-13.5 g/dL
2-9 years: 11.5-15.5 g/dL
10-17 years: 12.0-16.0 g/dL
≥18 years: 12.0-16.0 g/dL
Critical values (automatic call-back): <7.0 g/dL or >20 g/dL (adults)
HEMATOCRIT
Males
0-8 days: 45-67%
9 days-24 months: 33-39%
2-9 years: 34-45%
10-17 years: 37-49%
≥18 years: 42-52%
Females
0-8 days: 45-67%
9 days-24 months: 33-39%
2-9 years: 34-45%
10-17 years: 36-46%
≥18 years: 37-47%
Critical values (automatic call-back): <30% or >70% (newborns: 0-14 days)
Day(s) Test Performed
Monday through Sunday
Specimen Requirements
Specimen must arrive within 24 hours of draw.
Specimens drawn in a MAP microtube must be run within 4 hours of collection.
Draw blood in a lavender-top (EDTA) tube(s). Tube must be at least 1/2 the expected fill volume. For pediatric specimen, draw a full, pink-top (EDTA) MAP microtube. (Clotted specimen is not acceptable.) Send refrigerated.
Note: Label specimen with patient’s name (first and last), date of birth, date and time of draw, and phlebotomist’s initials.
Test Classification and CPT Coding
85014 - hematocrit
85018 - hemoglobin