3018849
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Filaria Screen, Whole Blood With Reflex to Parasites Smear (Giemsa Stain), Blood

FILARIABLD

Ordering Recommendation

Use to screen for microfilariae in blood.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation

None

Collect

Collect whole blood in lavender (EDTA) or pink (K2EDTA).

Blood should be collected between 10 PM and 2 AM for optimal detection of Wuchereria and Brugia. Blood should be collected between 10 AM and 2 PM for optimal detection of Loa loa.

Specimen Preparation

Transport 5 mL whole blood (Min: 1 mL).

Storage/Transport Temperature

Room temperature

Unacceptable Conditions

Frozen
Clotted specimens

Remarks
Stability

Ambient: 5 days
Refrigerated: Unacceptable
Frozen: Unacceptable

Methodology

Qualitative Concentration / Qualitative Microscopy

Performed

Sun-Sat

Reported

1-3 days

Reference Interval

Not Detected

Interpretive Data

Multiple smears may be needed to detect filarial nematodes due to fluctuating parasitemia. A single negative result does not rule out the presence of filaria. Blood should be collected for subsequent examination at 8 to 12 hour intervals over 2 to 3 days to exclude infection.

Compliance Category

Standard

Note

If screen is detected then Parasites Smear (Giemsa Stain), Blood (0049025) will be added for identification of microfilariae, additional charges apply.

Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
01/21/2025
X
N/A

CPT Codes

87015; 87210; if reflexed, add 87207

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Components

Component Test Code* Component Chart Name LOINC
3018895 Microfilariae Screen Result 10662-5
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Brugia
  • elephantiasis
  • Filaria
  • Filariasis
  • Loa Loa
  • Mansonella
  • Microfilaria
  • Wuchereria
Filaria Screen, Whole Blood With Reflex to Parasites Smear (Giemsa Stain), Blood