Overview

EPIC Code:
LAB753

Soft Test Code:
HH

Alternate Names

H & H
H&H

Included Tests

Hematocrit (HCT); Hemoglobin (HGB)

Specimen Collection & Preparation

Specimen Requirements

3.0 mL Whole Blood in a Lavender Top Tube - EDTA

Transport And Storage

24 hours Ambient
72 hours Refrigerated

Specimens may be rejected due to blood changes or deterioration.

Collection Instructions

Mix tube by inversion 5 times

Do not centrifuge

Specimens must not be clotted. Overfilling or underfilling may allow blood to clot.

Minimum Volume

1.5 mL

Neonatal Volume

Clinical Interpretation

Reference Range:

Males > 14 Yrs:

Hgb: 13.5 - 17.2 g/dL

Hct: 40.0 - 54.0%

Females > 14 Yrs:

Hgb: 12.0 - 15.5 g/dL

Hct: 35.0 - 48.0%

Critical Ranges:

NICU at PRMC Low Critical Limits:
HCT: >15 days old <=30% and >=70%

NICU at PRMC High Critical Limits:
HCT: >15 days old <=25% and >=70%

Pediatric (< = 15 days old) Low Critical Limits

Hgb: < = 10.0 g/dl

Pediatric (< = 15 days old) High Critical Limits

Hgb: > = 24.0 g/dl

Hct: > = 70.0%

Low Critical Limit: Hgb: < = 6.0 g/dl

High Critical Limit: Hgb: > = 19.0 g/dl

Oncology Wards at PRMC Low Critical Limits: Hgb: <=5.0 g/dl

OHP Low Critical Limit: <= 7.5 g/dl

NICU at PRMC Low Critical Limits:
HCT: >15 days old <=30% and >=70%

NICU at PRMC High Critical Limits:
HCT: >15 days old <=25% and >=70%

Pediatric (< = 15 days old) Low Critical Limits

Hgb: < = 10.0 g/dl

Pediatric (< = 15 days old) High Critical Limits

Hgb: > = 24.0 g/dl

Hct: > = 70.0%

Low Critical Limit: Hgb: < = 6.0 g/dl

Methodology:

Blood Cell Analyzer

Production Schedule

Days Performed

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Departments

Hematology

Coding & Compliance

CDM

01433007, 01432998

CPT Coding

85014, 85018

Hemoglobin and Hematocrit