Specimen Type

Whole Blood

Preferred Collection Container

Lt. Blue (Sodium Citrate)

Specimen Preparation

Specimen must be whole blood.

Mix well by gentle inversion 8-10 times immediately after collection.

Do NOT centrifuge.

Minimum Volume

Tube must be >90% full to ensure proper 1:9 ratio of anticoagulation to blood.

Unacceptable Conditions

  • Clotted specimens
  • Specimens that have been centrifuged
  • Frozen specimens

Stability (from collection to initiation)

Ambient: 24 hours

Refrigerated: 24 hours

Frozen: Unacceptable

Add-On Information

This test cannot be added to an existing citrated specimen.

Reference Interval

By Report

Reported

Within 24 Hours

CPT Codes

85049
Collection

Specimen Type

Whole Blood

Preferred Collection Container

Lt. Blue (Sodium Citrate)

Specimen Preparation

Specimen must be whole blood.

Mix well by gentle inversion 8-10 times immediately after collection.

Do NOT centrifuge.

Minimum Volume

Tube must be >90% full to ensure proper 1:9 ratio of anticoagulation to blood.

Unacceptable Conditions

  • Clotted specimens
  • Specimens that have been centrifuged
  • Frozen specimens

Stability (from collection to initiation)

Ambient: 24 hours

Refrigerated: 24 hours

Frozen: Unacceptable

Ordering

Add-On Information

This test cannot be added to an existing citrated specimen.
Result Interpretation

Reference Interval

By Report

Reported

Within 24 Hours
Administrative

CPT Codes

85049

Additional Information

Laboratory Department

Hematology

Phone: (612) 873-3023

Performed

24 Hours, 7 Days/Week

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