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Lab Manual for Moffitt-Long and Mount Zion

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Parasites, Skin biopsy

Item Value
Approval req'd? No
Available Stat? No
Test code P406
Test group Parasites
Performed by Microbiology
In House Availability Monday-Friday, day shift
Method Culture (P406) and Giemsa staine (P403L) for Leishmania species, Wet mount (P412) for Onchocerca volvulus
Collection Instructions Contact Microbiology at x3-1268) for instructions on collecting aspirates or punch biopsies for cutaneous or mucocutaneous leishmaniasis.

Culture for Leishmania species; call x3-1268 prior to submission so that reagents can be prepared ahead.

See the entry for Onchocerca for instructions on collecting skin snips.

Part of the tissue should be submitted to Surgical Pathology.
Container type Clean container
Sample type Skin Biopsy
Normal range
Stability Refrigerated 24 hours
Turn around times 1-3 days
Additional information Smears of skin biopsies are stained with Giemsa for the diagnosis of Leishmania species or for filaria (Onchocerca volvulus) infection.

Skin biopsy is NOT useful for the diagnosis of Cutaneous Larva Migrans.

If wet mount is positive , a Giemsa stain is done to differentiate Onchocerca volvulus from Loa loa at additional charge (B409)

Prior authorization is required for culture of Brown and Toland patients.
LOINC code 10687-2
Last Updated 10/2/2010 11:52:23 AM
Entry Number 717

If you have additional questions regarding this test, please call: 415-353-1667

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