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Test Code Billings Clinic: 1002 Red Blood Cell (RBC) Count, Blood

Performing Laboratory

Billings Clinic Laboratory: Hematology

Useful For

The test can help diagnose anemia and other conditions affecting red blood cells.



Specimen Requirements

  • Specimen must arrive within 24 hours of draw.
  • Draw blood in a lavender-top (EDTA) tube(s)
  • Send 1 mL of unprocessed EDTA whole blood refrigerated.
  • Do not centrifuge.
  • Forward unprocessed whole blood promptly.

Reject Due To

  • Clotted specimens
  • Gross hemolysis
  • Samples drawn above an IV line
  • Samples kept at room temperature > 24 hours after collection

Reference Values

Reference values are included with patient’s report.

Day(s) Test Set Up


Test Classification and CPT Coding

85041 - Red blood cell, automated

LCD or NCD test. ICD-9 code is required for this test. When appropriate, obtain a properly executed ABN and submit the ABN with test order(s). See “Medical Necessity and Advanced Beneficiary Notice (ABN) Policy and Form” under Resources for a copy of a form and additional information.

LOINC Code Information

Reporting Name LOINC Code
Erythrocytes 789-8