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Test Code 669 Peripheral Blood Smear (PBS); Consult and Report (Referred)

Important Note

Order if a peripheral blood smear is sent from outside UCL and requires smear review by a pathologist.

Additional Codes


PowerChart: Peripheral Blood Smear Consult & Report

Epic: LAB2715 Peripheral Smear to Path

MA Cerner: PBS Consult Rpt (Referred)

Test Method

Wright Stained Blood Smear with Microscopy

Specimen Requirement

Wright-stained peripheral blood smears on an EDTA sample collected within 8 hours of the time received at UCL.

Additional Specimen Collection Information

Wright-stained smears or whole blood collected in EDTA purple-top tube (< 8 hrs old). The tube must be at least one quarter full to be acceptable for testing. Capillary specimen collected in EDTA microtube is also acceptable. The  tube must contain at least 375 mcL (bottom line) to be acceptable for testing.


Testing is performed Monday through Friday.

Same day on orders received by 1300. Interpretation by a pathologist

Reference Values

Neutrophils: 42.0 - 74.0%

Lymphocytes: 18.0 - 44.0%

Monocytes: 5.0 - 13.0%

Eosinophils: 1.0 - 8.0%

Basophils: 0.0 - 2.0%

Absolute Neutrophils: 1.6-6.1 thou/mcL

  • Critical Value: Low: < 0.5 thou/mcL

Absolute Lymphocytes: 1.2-3.7 thou/mcL

Absolute Monocytes: 0.2-0.8 thou/mcL

Absolute Eosinophils: 0.0-0.5 thou/mcL

Absolute Basophils: 0.0-0.1 thou/mcL

CPT Code Information

85060 Coagulopathy Testing: Blood smear, peripheral, interpretation by physician with written report.

Useful For

Obtaining expert opinion on peripheral blood smear associated with an internal CBC with Differential

LOINC Code Information