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23032 White Blood Cell Count with Manual Differential

White Blood Cell Count with Manual Differential
Test Code: WBCMD
Synonyms/Keywords
​White Count and Manual Diff, Manual Differential and White Cell Count
Test Components
​White Blood Cell Count, percent/absolute neutrophils, lymphocytes, monocytes, eosinophils, basophils and any abnormal nucleated cells present, including blasts and NRBC's. RBC and platelet morphology also included.
Useful For

Screening to identify the presence of disease and aid in diagnosis.

RESTRICTED USE:

This test is not available except for the following branches that are still valid for ordering these codes (valid within Lab Order Manager):
63 – Outreach – will set up as Marshfield performable codes
74 – Our Lady of Victory
77 – Good Samaritan Hospital
79 - MMG-Merrill (performed at Good Samaritan)
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)​ 2 mL​ One lavender top micro collection tube or 1.0 mL in 3 mL lavender​ One lavender top micro collection tube with 0.5 mL​
Collection Processing Instructions
Invert specimen at least 5-6 times in order to facilitate mixing and prevent coagulation.
 
Prepare blood smear as soon as possible, preferably within two hours of collection, up to 24 hours, label with computer generated label or use pencil to label with patients full name and date. Store slides at room temperature.
Specimen Stability Information
Specimen Type Temperature Time
Whole blood​ Ambient​ <24 hours​
Whole blood​ Refrigerated​ <48 hours​
Whole blood​ Refrigerated​ >48 hours may be reported with additional comments​
Rejection Criteria
Clotted
Grossly Hemolyzed​
Diluted with IV or tissue fluid​
Frozen​
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Marshfield ​Monday through Sunday Less than 2 hours​ Unicell Beckman Coulter DxH800/Light microscopy ​
Reference Range Information
Performing Location Reference Range
Marshfield​ See Tables:
CBC / Platelet Complete Blood Count Reference Ranges
Manual Differential Reference Ranges​
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
85048 ​ ​ ​  White cell count​ ​
85007 ​ ​ ​  Manual differential​ ​
Synonyms/Keywords
​White Count and Manual Diff, Manual Differential and White Cell Count
Test Components
​White Blood Cell Count, percent/absolute neutrophils, lymphocytes, monocytes, eosinophils, basophils and any abnormal nucleated cells present, including blasts and NRBC's. RBC and platelet morphology also included.
Ordering Applications
Ordering Application Description
​Cerner ​White Blood Count w/Differential
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)​ 2 mL​ One lavender top micro collection tube or 1.0 mL in 3 mL lavender​ One lavender top micro collection tube with 0.5 mL​
Collection Processing
Invert specimen at least 5-6 times in order to facilitate mixing and prevent coagulation.
 
Prepare blood smear as soon as possible, preferably within two hours of collection, up to 24 hours, label with computer generated label or use pencil to label with patients full name and date. Store slides at room temperature.
Specimen Stability Information
Specimen Type Temperature Time
Whole blood​ Ambient​ <24 hours​
Whole blood​ Refrigerated​ <48 hours​
Whole blood​ Refrigerated​ >48 hours may be reported with additional comments​
Rejection Criteria
Clotted
Grossly Hemolyzed​
Diluted with IV or tissue fluid​
Frozen​
Useful For

Screening to identify the presence of disease and aid in diagnosis.

RESTRICTED USE:

This test is not available except for the following branches that are still valid for ordering these codes (valid within Lab Order Manager):
63 – Outreach – will set up as Marshfield performable codes
74 – Our Lady of Victory
77 – Good Samaritan Hospital
79 - MMG-Merrill (performed at Good Samaritan)
Test Components
​White Blood Cell Count, percent/absolute neutrophils, lymphocytes, monocytes, eosinophils, basophils and any abnormal nucleated cells present, including blasts and NRBC's. RBC and platelet morphology also included.
Reference Range Information
Performing Location Reference Range
Marshfield​ See Tables:
CBC / Platelet Complete Blood Count Reference Ranges
Manual Differential Reference Ranges​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Marshfield ​Monday through Sunday Less than 2 hours​ Unicell Beckman Coulter DxH800/Light microscopy ​
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
85048 ​ ​ ​  White cell count​ ​
85007 ​ ​ ​  Manual differential​ ​
For most current information refer to the Marshfield Laboratory online reference manual.