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Test Code EOCT Total Eosinophil Count

Specimen Type

Blood

Container/Tube

Lavender top, EDTA

Turnaround Time

8 hours

STAT Days and Times Performed

Not Available

Days and Times Performed

24/7

Method Name

Sysmex XN automated hematology analyzer and Wright stain light microscopy 

Test Includes

Absolute eosinophil count

Preferred Volume

4 mL

Test Limitations

Specimen must be received within 8 hours of collection. 

Rejection criteria: clotted specimens, short specimen volume

Coverage Information

CMS has established a national coverage policy (NCD) for Medicare for this test as of November 25, 2002. Please document medical necessity. For more details click this link: 

https://www.cms.gov/medicare-coverage-database/details/ncd-details.aspx?NCDId=61&ncdver=1&bc=AgEAAAAAAAAA

Fee Code

53448

Specimen Minimum Volume

  • 2 mL blood in 4 mL tube
  • 1.5 mL blood in 3 mL tube.
  • If a microvette is collected, the minimum volume is 250 µL

CPT

85048

Reference Values

50-480/µL