Hematocrit, Micro

Specimen Requirements

3.0 mL Whole Blood in a Lavender Top Tube - EDTA

Transport And Storage

72 hours Refrigerated

Collection Instructions

Must be submitted within 24 hours of collection

Minimum Volume

1.5 mL Whole Blood

Neonatal Volume

0.3 mL Whole Blood

Reference Range:

< 15 days: 42% - 66%

Critical Ranges:

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

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


< 15 days: > 70.0%

Test Comments:

This test is for newborns < 15 days only

Methodology:

• Spun Microhematocrit

CDM

01435013

CPT Coding

85013

Medical Necessity May Apply