Sign in →

Test Code FAHS FA Herpes Group

Additional Codes

Only order with VCHG culture, FA is always performed in conjunction with HSV cultures.

Clinical System Name

FA Herpes Group


FA Herpes + Culture
Herpes FA
Herpes Group (HSV + VZV) FA
Varicella Zoster FA
Zoster FA


Sample Requirements

Specimen: Body Fluid, Tissue, Swabs

Container(s): Sterile Screw-Top Containers for Body Fluid, UTM for Tissues and Swabs

Preferred Vol: N/A

Minimum Vol:  N/A


Note: Body Fluids (BAL, respiratory washes, or sputum) should be in sterile screw-top containers. Tissue or swab must be in UTM. For NP site use a mid turbinate flocked swab, for all other swabbed sites use a regular flocked swab.


Only order with VCHG culture, FA is always performed in conjunction with HSV cultures. Scrape lesion to remove intact cells. Most viral infected cells will be at the base of the lesion. Submit flocked swabs in Universal Transport Media (UTM).

Processing Instructions

Reject due to: do NOT freeze the specimen if FA tests are ordered

Spin: N

Aliquot: N

Temp: 2 - 4  C

Storage location

Monday – Friday: Place sample in the Virology Section of the Sendouts Refrigerated Rack.

Saturday-Sunday & Holidays: Close batch in Mayo Access and courier to UW NW220. (Call on Holidays to be sure the lab is open to accept samples).


Off-site collection: Transport specimen refrigerated.


Specimen Type Temperature Time
  Room temp



HSV - 24 h

VZV - very unstable, transport ASAP





STAT Performed TAT
N Daily; FA set up @ 10am 6 - 24 h


Performing Laboratory

University of Washington

Dept of Laboratory Medicine

UW Virology Lab

1959 NE Pacific St, NW220
Seattle, WA 98195

Phone Number: (206) 520-4600


Department:  Send Outs


Phone Number: (206) 987-2563

Reference Range

Reference values accompany patient report.


Method: Direct Fluorescent Antibody (DFA)

Analytical Volume: None specified


CPT Codes















Send Out Instructions


Reference Test Name: Herpes Simplex & Varicella Zoster FA
Reference Test Number:



Send out M - F with the UW courier. Weekends and Holidays courier to UW NW220.