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Test Code DIFFA Differential- Automated

Specimen Type

Blood.

Preferred Collection Container

LAV

Collection Volume

3 mL in a 3 mL tube for venipuncture specimen

Minimum Collection Volume

1 mL in a 3 mL tube for venipuncture,0.5 mL in Lavender microtainer for capillary specimen

Collection Instructions

Routine venipuncture or fingerstick-heelstick microtainer collection; invert immediately and gently mix with anticoagulant.

Rejection Criteria

Any specimen stored at Room Temperature >24 hours old; Any specimen stored at 4&#x2103 >48 hours old; Hemolyzed, clotted, diluted with IV fluid, tube that is not filled with minimum volume, improperly labelled tube.

Specimen Storage and Stability

Specimen cannot be used if stored over 24 hours at room temperature or 48 hours at 4&#x2103. Specimen must not be frozen. Specimens should be transported to the Clinical Laboratory.

Turn Around Time

4 hours.

Lab Department

Hematology

Alias

Differential; WBC Differential; Automated Differential;

EPIC Code

LAB3200

Acceptable Collection Container

LAV (venipuncture), MicrLAV (capillary), PINK (K2EDTA) OR 6ML LAV (K2EDTA)

Day(s) and Time(s) Performed

Monday through Sunday, 24 hours