Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

HCT

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB2400         Geisinger Epic ID: 14462

SPECIMEN COLLECTION
Specimen type:
Whole blood
Preferred collection container:
Alternate Collection Container:
Lavender-top (K2 EDTA) microcollection tube
Specimen required:
EDTA lavender-top tube or microcollection tube.

SPECIMEN PROCESSING
Specimen processing instructions:
Do NOT centrifuge. 
Transport temperature:
Refrigerated (preferred) or room temperature
Specimen stability:
Refrigerated: 72 hours. Room temperature: 24 hours.
Rejection criteria:
Clotted, frozen, hemolyzed, underfilled, overfilled, or centrifuged samples. Samples beyond stability limits.

TEST DETAILS
Reference interval:
Males Females
Adult 40.0-48.4% 36.0-45.2%
12 y 37.0-49.0% 36.0-46.0%
6 y 35.0-45.0% 35.0-45.0%
2 y 34.0-40.0% 34.0-40.0%
6 months 33.0-39.0% 33.0-39.0%
3 months 29.0-41.0% 29.0-41.0%
2 months 28.0-42.0% 28.0-42.0%
1 month 31.0-55.0% 31.0-55.0%
14 days 39.0-63.0% 39.0-63.0%
7 days 42.0-66.0% 42.0-66.0%
Newborn 45.0-67.0% 45.0-67.0%
Adult ranges established by normal study performed at GMC and GWV 8/2010.
Pediatric ranges from Nathan and Oski's "Hematology of Infancy and Childhood, 7th edition."
Critical values/courtesy alerts:
Greater than or equal to 66.0% for patients greater than or equal to 30 days old.
CPT code(s):
85014
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Hematocrit determination.
Methodology:
Direct measurement of cumulative pulse height detection by electronic resistance enhanced by hydrodynamic focusing (automated) or packed cell volume by centrifugation (manual)
Synonyms:
HCT
Crit, Hematocrit
Clinical significance:
This test, normally ordered as part of the complete blood count (CBC), measures the percentage of red blood cells in a given volume of whole blood and is used to evaluate anemia, polycythemia, dehydration, blood transfusion decisions for severe anemias and the effectiveness of those transfusions.
Doctoral Director(s:)
Michelle Grant DO    
Review Date: 04/17/2020

Performing Locations

Geisinger Medical Center

Performing laboratory: Hematology
Technical Lead: Michele Adler
Frequency: Daily, all shifts
Performed stat? Yes

Geisinger Wyoming Valley Medical Center

Performing laboratory: ATL+
Technical Lead: Julia Bell    
Frequency: Daily, all shifts    
Performed stat? Yes

Geisinger Shamokin Area Community Hospital

Performing laboratory: Hematology
Technical Lead: Kelly Alleman    
Frequency: Daily    
Performed stat? Yes

Geisinger Bloomsburg Hospital

Performing laboratory: Hematology
Technical Lead: Sophie Rockwell  
Frequency: Daily, all shifts    
Performed stat? Yes

Geisinger Community Medical Center

Performing laboratory: Hematology
Technical Lead: Renee Bordo, Robert Furcon  
Frequency: Daily    
Performed stat? Yes

Geisinger Lewistown Hospital

Performing laboratory: Hematology
Technical Lead: Lisa Sheaffer  
Frequency: All shifts    
Performed stat? Yes

Geisinger Jersey Shore Hospital

Performing laboratory: Hematology
Technical lead:    
Frequency: Daily, all shifts    
Performed stat? Yes

Geisinger South Wilkes-Barre

Technical lead: Bernadette Johnson    
Frequency: Daily, all shifts    
Performed stat? Yes
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