Geisinger Medical Laboratories Test Catalog

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COMPLETE BLOOD COUNT

Test code:
CBC
Specimen type:
Whole blood
Tube type / collection container:
Specimen collection notes:
Preferred specimen is a 2 mL EDTA lavender-top tube.
One EDTA lavender-top microtainer is acceptable for newborns, small infants, and difficult draws.
What to submit:
Tube: 2 mL EDTA lavender-top tube properly filled with 2 mL of blood (1.6 mL of blood is minimum for acceptable sample).
Microtainer: 500 uL is proper fill. Minimum acceptable will be 250 uL (microtainer has lines to indicate the 250 and 500 uL volumes).
Two (2) slides should accompany samples from off-campus sites. They must be labeled with two identifiers, e.g., name, MRN, DOB, etc.
Patient preparation:
None.
 
Specimen Processing Instructions:
Do not centrifuge specimen. Blood smears kept at room temperature. 
Transport temperature:
Refrigerated (preferred) or room temperature.
Specimen stability:
Refrigerated sample is stable for 72 hours; room temperature, 36 hours.
Rejection criteria:
Clotted, frozen, underfilled, overfilled, hemolyzed, or centrifuged specimens. Specimens beyond stability limits.
 
Reference range:
Age Males Females
WBC
16 y/Adult 4.00 -10.80 K/uL 4.00-10.80 K/uL
6 y 4.00-13.50 K/uL 4.00-13.50 K/uL
2 y 5.00-15.50K/uL 5.00-15.50 K/uL
1 month 5.00-17.50 K/uL 5.00-17.50 K/uL
3 days 5.00-21.00 K/uL 5.00-21.00 K/uL
Newborn 9.00-30.00 K/uL 9.00-30.00 K/uL

RBC 18 y/Adult 4.50-5.25 M/uL 3.85-5.15 M/uL
12 y 4.50-5.30 M/uL 3.85-5.15 M/uL
6 y 4.00-5.20 M/uL 3.85-5.15 M/uL
2 y 3.90-5.30 M/uL 3.90-5.30 M/uL
6 months 3.70-5.30 M/uL 3.70-5.30 M/uL
3 months 3.10-4.50 M/uL 3.10-4.50 M/uL
2 months 2.70-4.90 M/uL 2.70-4.90 M/uL
1 month 3.00-5.40 M/uL 3.00-5.40 M/uL
14 days 3.60-6.20 M/uL 3.60-6.20 M/uL
7 days 3.90-6.30 M/uL 3.90-6.30 M/uL
Newborn 4.10-6.10 M/uL 4.10-6.10 M/uL

Hemoglobin
18 y/Adult 14.0- 16.5 gm/dL 12.0-14.5 gm/dL
12 13.0-16.0 gm/dL 12.0-14.5 gm/dL
6 11.5-15.5 gm/dL 11.5-15.5 gm/dL
2 11.5-13.5 gm/dL 11.5-13.5 gm/dL
6 months 10.5-13.5 gm/dL 10.5-13.5 gm/dL
3 months 9.5-13.5 gm/dL 9.5-13.5 gm/dL
2 months 9.0-13.0 gm/dL 9.0-13.0 gm/dL
1 month 10.0-18.0 gm/dL 10.0-18.0 gm/dL
14 days 12.5-20.5 gm/dL 12.5-20.5 gm/dL
7 days 13.5-21.5 gm/dL 13.5-21.5 gm/dL
Newborn 14.5-22.5 gm/dL 14.5-22.5 gm/dL

Hematocrit
Adult 40.0-47.0% 36.0-44.5%
12 37.0-49.0% 36.0-44.5%
6 35.0-45.0% 35.0-45.0%
2 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%

MCV 18 y.Adult 82.0-99.5 fL 81.5-97.5 fL
12 y 78.0-98.0 fL 78.0-98.0 fL
6 y 77.0-95.0 fL 77.0-95.0 fL
2 y 75.0-87.0 fL 75.0-87.0 fL
6 months 70.0-86.0 fL 70.0-86.0 fL
3 months 74.0-108.0 fL 74.0-108.0 fL
2 months 77.0-115.0 fL 77.0-115.0 fL
1 month 85.0-123.0 fL 85.0-123.0 fL
Newborn 88.0-126.0 fL 88.0-126.0 fL

MCH 18 y/Adult 27.0-34.0 pg 27.0-34.0 pg
12 y 25.0-35.0 pg 25.0-35.0 pg
6 y 25.0-33.0 pg 25.0-33.0 pg
2 y 24.0-30.0 pg 24.0-30.0 pg
6 months 23.0-31.0 pg 23.0-31.0 pg
3 months 25.0-35.0 pg 25.0-35.0 pg
2 months 26.0-34.0 pg 26.0-34.0 pg
1 month 26.0-34.0 pg 26.0-34.0 pg
7 days 28.0-40.0 pg 28.0-40.0 pg
Newborn 31.0-37.0 pg 31.0-37.0 pg

MCHC All ages 32.0-36.0 gm/dL 32.0-36.0 gm/dL
RDW All ages 11.5-15.5% 11.5-15.5%
PLT All ages 140-400 K/uL 140-400 K/uL
MPV All ages 6.6-11.1 fL 6.6-11.1 fL
Alert limits:
See individual member listings.
Additional information:
None.
CPT code(s):
85027
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:
Hemogram (WBC, RBC, HGB, HCT); indices (MCV, MCH, MCHC); RDW, PLT, MPV.
Methodology:
Electronic Particle Cell Counter
Synonyms:
CBC, Hemogram, Blood Count
Basic Blood Count, BBC
Clinical Significance:
See individual tests.
Doctoral Director Review:
R. Patrick Dorion M.D.    11/08/2013

Performing Locations

Geisinger Medical Center

Performing laboratory: Hematology (GMC)
Doctoral director: R. Patrick Dorion M.D.
Technical specialist: Michele Adler
Frequency: Daily, all shifts
Performed stat? Y
Review/ revision date: 11/08/2013
Reviewed/revised by: Michele Adler

Geisinger Wyoming Valley Medical Center

Performing laboratory: ATL+
Doctoral director: Xiaohong (Mary) Zhang M.D.,Ph.D.
Technical specialist: Amanda Mika    
Frequency: Daily, all shifts    
Performed stat? Y
Review/ revision date: 01/21/2014    
Reviewed/revised by: Carmella Fereck