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23187 Stem Cell Workup

Stem Cell Workup
Test Code: CD34
Synonyms/Keywords
Flow Cytometry​
Useful For
This test is only for monitoring peripheral blood prior to and during CD34 harvesting.  The flow analysis determines the absolute count of stem cells marking with CD34 monoclonal antibody.​
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
No​ Whole blood​ EDTA Lavender Top Tube (LTT)
EDTA Pink Top Tube (PTT)​		 ​ 1 mL​ 0.5 mL​ 0.5 mL​
Collection Processing Instructions

A CBC with differential is required within 4 hours of collection of specimen for this test, submit results with the specimen for this test or include an order for a CBC with differential.  Specimen must arrive in Flow Cytometry within 24 hours of collection. Notify Flow Cytometry Lab (800-222-5835, ext 16385) before sending the specimen.

If sending to Marshfield Center, specimen must arrive in laboratory same day as collected (Mon.- Thurs.) Notify the Flow Cytometry Lab (800-222-5835, ext. 16385) when the specimen is sent. A CBC with differential must be performed and results submitted with this test. Please submit 2 unstained EDTA smears.

Specimen Stability Information
Specimen Type Temperature Time
Whole Blood​ Room Temperature​ 24 hours​
Rejection Criteria
Specimens greater than 24 hours old
Refrigerated or frozen specimens​
​**​Contact Flow Cytometry f​​or suitability prior to rejection of any specimens.**​
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Friday, days only​ 1 day​ Flow Cytometry​
Test Information

This test was developed and its performance characteristics determined by Marshfield Labs.  It has not been cleared or approved by the US Food and Drug Administration.  This test is used for clinical purposes.  It should not be regarded as investigational or for research.

Reference Range Information
Performing Location Reference Range
Marshfield​ Interpretive report​
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
86367 ​ ​ ​ ​ ​
Classification

This test was developed and its performance characteristics determined by Marshfield Labs.  It has not been cleared or approved by the US Food and Drug Administration.  This test is used for clinical purposes.  It should not be regarded as investigational or for research.

Synonyms/Keywords
Flow Cytometry​
Ordering Applications
Ordering Application Description
Centricity​ Stem Cell CD34 Marker
​Cerner ​Stem Cell CD34 Marker, Blood
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
No​ Whole blood​ EDTA Lavender Top Tube (LTT)
EDTA Pink Top Tube (PTT)​		 ​ 1 mL​ 0.5 mL​ 0.5 mL​
Collection Processing

A CBC with differential is required within 4 hours of collection of specimen for this test, submit results with the specimen for this test or include an order for a CBC with differential.  Specimen must arrive in Flow Cytometry within 24 hours of collection. Notify Flow Cytometry Lab (800-222-5835, ext 16385) before sending the specimen.

If sending to Marshfield Center, specimen must arrive in laboratory same day as collected (Mon.- Thurs.) Notify the Flow Cytometry Lab (800-222-5835, ext. 16385) when the specimen is sent. A CBC with differential must be performed and results submitted with this test. Please submit 2 unstained EDTA smears.

Specimen Stability Information
Specimen Type Temperature Time
Whole Blood​ Room Temperature​ 24 hours​
Rejection Criteria
Specimens greater than 24 hours old
Refrigerated or frozen specimens​
​**​Contact Flow Cytometry f​​or suitability prior to rejection of any specimens.**​
Useful For
This test is only for monitoring peripheral blood prior to and during CD34 harvesting.  The flow analysis determines the absolute count of stem cells marking with CD34 monoclonal antibody.​
Reference Range Information
Performing Location Reference Range
Marshfield​ Interpretive report​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Friday, days only​ 1 day​ Flow Cytometry​
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
86367 ​ ​ ​ ​ ​
Classification

This test was developed and its performance characteristics determined by Marshfield Labs.  It has not been cleared or approved by the US Food and Drug Administration.  This test is used for clinical purposes.  It should not be regarded as investigational or for research.

For most current information refer to the Marshfield Laboratory online reference manual.