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Test Code 76480014 Hemoglobin and Hematocrit ( H & H)

Performing Laboratory

Barnes-Jewish Hospital Laboratory


Sysmex XN (Electrical Impedance)    


Methodology Literature References       

 Resource Manual:  Sysmex XN-Series Automated Hematology Systems, Document Number:  1002-LSS, Rev. 2, January 2013                                            

Specimen Requirements

Specimen Type: Whole blood

Container/Tube: Lavender top (EDTA)-Pink-top (EDTA) tube is not acceptable.

Specimen Volume: Full tube

Specimen Minimum Volume: 1 mL

Collection Instructions: Immediately invert several times to mix blood



Reference Values

13.0-17.5 g/dL
11.9-15.5 g/dL
Physician alert values (automatic call-back):

Inpatients:  < 6.5 g/dL and > 20.0 g/dL.  Inpatient alert values are called the first time and if consistent, resulted as “Consistent with previous” for 72 hours.

Outpatients: <6.5 g/dL and > 20.0 g/dL.  Outpatient alerts are called each time.




Reference Interval Literature References    

1. Henry JB. Clinical diagnosis and management. WB Saunders Co.,1979.

2. McKenzie S. Clinical laboratory hematology. Pearson Prentice Hall, 2004:5.

3. Medicine Net. Complete blood count, 1996-2006.

Day(s) Test Set Up

Monday through Sunday


Turnaround Time (STAT, Routine)    

STAT: 1 hour after receipt in laboratory 
Routine: 2-4 hours after receipt in laboratory

Test Classification and CPT Coding

Hematocrit 85014

Hemoglobin 85018                                       

Additional Information

Laboratory Processing Instructions         

Test performed in BJH IOH Core Laboratory.

Minimum Volume

1 mL

Alternate Tube(s)
If pink-top (EDTA) tube is available, testing can be performed manually.
Analyte Stability

Refrigerated: up to 24 hours