Apr 2, 2015




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Hematology

Nucleated Cell Count

Nucleated Cell Count (HCTNCC) Hematology Lab Test

Name: Nucleated Cell Count

Test Name: Nucleated Cell Count

Health Link Test Code: HCTNCC

LIS Test Code: TNCC

CPT Code(s): 89050

Methodology: Flow Cytometry

Clinical Information:

Available on bone marrow transplant harvests only.

Days Performed: Daily, 24 hours.

Stat In-Lab Turnaround Time: Less than 1 hour.

Specimen: Bone marrow aspirate

Collection Container: See collection instructions.

Collection Instructions:

Place specimen in a tube with no anticoagulants, or a lavender-top tube. DO NOT place specimen in a red-top tube as it contains clot activators.


NOTE: Lavender top tubes are NOT acceptable for testing in the Flow Cytometry Laboratory. If testing is required for both labs using one container, the container type of choice would be a clear, conical container with blue screw cap containing no anticoagulants.

Collection Volume: 2 mL

Pediatric Collection Volume: 2 mL

Sample Analyzed: Bone Marrow Aspirate

Testing Volume: 2 mL

Pediatric Testing Volume: 2 mL

Specimen Transport:

Transport specimen to UWHC Hosptial Laboratory immediately.

Unacceptable Criteria:

Clotted samples or samples in red-top tubes (which contains a clot activator) are not acceptable.