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Test Mnemonic RBC Red Blood Cell

Performing Laboratory

Hallmark Health

Physician Office Specimen Requirements

Container/Tube:  Lavender-top (EDTA) or EDTA MICROTAINERS® - Hemolyzed, clotted, specimen that is diluted with intravenous fluid, or tube that is not filled with minimum volume is not acceptable.

Specimen:  Full tube

Transport Temperature:  Refrigerate

Collection Instructions:  Gently invert 6 to 8 times to mix. If testing is to be delayed, store at ambient temperature.

Note:  Lavender-top tube will be last in order of draw.

Reference Values

0-2 days: 3.9-5.5 M/uL

3-6 days: 4.0-6.6 M/uL

7-13 days: 3.9-6.3 M/uL

14-29 days: 3.6-6.2 M/uL

1 month-59 days: 3.0-5.4 M/uL

2 months-89 days: 2.7-4.9 M/uL

3-5 months: 3.1-4.5 M/uL

6 months-1year: 3.7-5.3 M/uL

2-5 years: 3.9-5.3 M/uL

6-11 years: 4.0-5.2 M/uL

M 12-17 years: 4.5-5.3 M/uL

F 12-17 years: 4.1-5.1 M/uL

M ≥18 years: 4.5-5.9 M/uL

F ≥18 years: 4.0-5.2 M/uL