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Test Code Billings Clinic: 0140 Physician Ordered Path Review

Performing Laboratory

Billings Clinic Laboratory: Hematology

Useful For

Detecting disease states or syndromes of the white blood cells, red blood cells, or platelet cell lines of a patient's peripheral blood.

Methodology

Under normal conditions, the morphology and proportion of each blood cell type is fairly consistent in corresponding age groups. The morphology and proportion of each blood cell type may change in various hematologic diseases. Differential leukocyte count and special smear evaluation is helpful in revealing the changes in morphology or proportion of each cell type in the peripheral blood.

Specimen Requirements

Specimen Type: Peripheral blood slides and with complete blood count (CBC) results

Container/Tube: Transport in plastic slide holders.

Preferred: 2 Slides made from whole blood in EDTA, made within 4 hours of collection; include analyzer CBC results

Collection Instructions:

  1.  Prepare 2 good quality blood smears from EDTA whole blood within 4 hours of collection.
  2. Stain one slide stained and one unstained with 2 patient identifiers.
  3. Forward slides, CBC result, and diagnosis code and/or reason for pathology review to Billings Clinic.

Clinical Indication and if there is a concern for MAHA must be provided.

Storage/Stability

2-8 C for up to 24 hours.

Reject Due To

Specimens will be cancelled if the following criteria is not met:

Parameter

Frequency

Clinical concern for microangiopathic hemolytic anemia

Always

Clinical concern for blood born parasites (order a “malaria smear”

Always, order a “malaria smear”

Myelocytes reported as >5%

Initial and every 60 days

Promyelocytes reported as >2%

Initial and every 60 days

Pancytopenia (HMG <13g/dL males, <12 g/dL females, and absolute neutrophils count (< 1.8 x 10 (3)/uL), and platelets < 150 x 10 (3)/uL)

Initial and every 30 days

Blasts reported in peripheral blood

Initial and every 14 days

Basophils>0.5 x 10 (3)/UL

Initial and Every 30 days

Lymphocytes >5 x 10 (3)/uL

Initial Every 6 months

WBC < 3.0 x 10 (3)/uL or >30 x 10 (3)/uL

Initial and every 30 days

Hgb < 7.0 or >16.0 g/dL

Initial and, every 60 days

MCV >105 fL

Initial and every 60 days

Monocytes >10% and > 0.5 x 10(3)/uL

Initial and every 30 days

ANC <1.8 x 10 (3)/uL

Initial and every 30 days

PLT <50 x 10 (3) or >500 x 10 (3)/uL

Initial every 90 days

Eosinophils (>2 x 10(3)/uL)

Initial and every 30 days

Reference Values

An interpretive report will be provided.

LOINC Code Information

LOINC-Code 78251-6

Reporting Name- Hematology Consult note

Test Classification and CPT Coding

CPT Code: 88325-Consultation, comprehensive, with review of records and specimens, with report on referred material.