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Test Code 07H Hemoglobin, WBC and Platelet Count

Additional Codes

ALAB: HWP

PowerChart: Hemoglobin+Hematocrit+Platelet Count

MA Cerner: Hgb, WBC, Platelet Ct.

Specimen Requirement

EDTA whole blood is required.

Additional Specimen Collection Information

Whole blood collected in EDTA purple-top tube. The tube must be at least one quarter full to be acceptable for testing.

Capillary specimen collected in EDTA microtube. The  tube must contain at least 375 mcl (bottom line) to be acceptable for testing.

Useful For

Screening tool to confirm a hematologic disorder.

Establish or rule out a diagnosis.

Detect an unsuspected hematologic disorder.

Monitor effects of radiation or chemotherapy.

These counts are used as clinical guides in the diagnosis and/or monitoring of many diseases.

Performance

Testing is performed Monday through Sunday.

Routine orders: Typically completed within 4 hours after the specimen arrives at the testing site.

Expedite orders: Typically completed within 1 hour after the specimen arrives at the testing site.

STAT orders: Typically completed within 30 minutes after the specimen arrives at the testing site.

CPT Code Information

85027 Blood Counts: complete (CBC), automated (Hgb, Hct, RBC, WBC and platelet count), when appropriate

LOINC Code Information

58410-2 Complete Blood Count (Hemogram) Panel-Blood By Automated Count

Test Method

Sysmex XN and XS Systems:

  • HGB: Converted to SLS-hemoglobin and read photometrically.
  • WBC:  Impedance counting
  • Platelet Count:  Impedance counting

Reference Values

Hemoglobin:

0-15 days Male and Female: 13.4-19.8 g/dL

  • Critical Value:
    • High: >20.0
    • Low: <12.5

15 days-1 month Male and Female: 10.7-17.1 g/dL

  • Critical Value:
    • High: >17.0
    • Low: <8.0

1-2 months Male and Female: 9.4-13.0 g/dL

  • Critical Value:
    • High: >17.0
    • Low: <8.5

2-4 months Male and Female: 10.3-14.1 g/dL

  • Critical Value:
    • High: >17.0
    • Low: <8.0

4-6 months Male and Female: 11.2-14.1 g/dL

  • Critical Value:
    • High: >17.0
    • Low: <8.0

6 months-5 years Male and Female: 11.0-14.0 g/dL

  • Critical Value:
    • High: >17.0
    • Low: <8.0

5-9 years Male and Female: 11.5-14.5 g/dL

  • Critical Value:
    • High: >17.0
    • Low: <8.0

9-12 years Male and Female: 12.0-15.0 g/dL

  • Critical Value:
    • High: >17.0
    • Low: <8.0

12-15 years

 Male: 12.0-16.0 g/dL

  • Critical Value:
    High: >20.0
    Low: <7.0

Female: 11.5-15.0 g/dL

  • Critical Value:
    High: >20.0
    Low: <7.0

15-18 years

Male: 11.7-15.0 g/dL

  • Critical Value:
    High: >20.0
    Low: <7.0

Female: 11.7-15.3 g/dL

  • Critical Value:
    High: >20.0
    Low: <7.0

18-45 years

Male: 13.2-17.3 g/dL

  • Critical Value:
    High: >20.0
    Low: <7.0

Female: 12.0-16.0 g/dL

  • Critical Value:
    High: >20.0
    Low: <7.0

45-65 years

Male: 13.1-17.2 g/dL

  • Critical Value:
    High: >20.0
    Low: <7.0

Female: 11.7-16.0 g/dL

  • Critical Value:
    High: >20.0
    Low: <7.0

≥ 65 years:

Male: 12.6-17.4 g/dL

  • Critical Value:
    High: >20.0
    Low: <7.0

Female: 11.7-16.1 g/dL

  • Critical Value:
    High: >20.0
    Low: <7.0 

WBC:

0-1 Year, Male and Female:  6.0-17.5 thou/mcL

  • Critical Value:
    • High: > 50.0
    • Low: < 1.0

1-2 Years, Male and Female: 6.0-17.0 thou/mcL

  • Critical Value:
    • High: > 50.0
    • Low: < 1.0

2-4 Years, Male and Female: 5.5-15.5 thou/mcL

  • Critical Value:
    • High: > 50.0
    • Low: < 1.0

4-6 Years, Male and Female: 5.0-14.5 thou/mcL

  • Critical Value:
    • High: > 50.0
    • Low: < 1.0

6-8 Years, Male and Female: 4.5-13.5 thou/mcL

  • Critical Value:
    • High: > 50.0
    • Low: < 1.0

8-10 Years, Male and Female: 4.5-13.5 thou/mcL

  • Critical Value:
    • High: > 50.0
    • Low: < 1.0

10-16 Years, Male and Female: 4.5-13.0 thou/mcL

  • Critical Value:
    • High: > 50.0
    • Low: < 1.0

Adult Male and Female: 3.7-11.0 thou/mcL

  • Critical Value:
    • High: > 50.0
    • Low: < 1.0

Platelet Count: 150 - 400 x thou/mcL

  • Critical Value:
    • High: >1000 thou/mcL
    • Low: <30 thou/mcL

Oncology: <10 thou/mcL