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Lab Test Dictionary

Herpes Simplex Virus, Type 1 and 2 Antigen, DFA (36345)

Methodology

Direct Fluorescent Antibody Stain (DFA)


Synonyms

HSV

Specimen Type

See Collection Instructions

Performing Lab

Quest Diagnostics San Juan Capistrano


Epic ID

LAB07545

Lab Test Days

Monday-Saturday

Standard TAT

1-2 Days


Collection Information

Specimen Required

1 Swab mucosal membrane or skin lesion (vesicle)

Container Type

Viral Media

Collection Instructions

Air-dried smear of specimen on 2 glass slides are also acceptable. Collect specimen on swab and to maintain optimum viability, place swab into VCM or equivalent and transport the specimen to the laboratory as soon as possible. Best recovery is obtained when the specimens are refrigerated at 2-8 C or kept on wet ice following collection and while in transit. If there will be a long delay before processing, specimens in VCM or equivalent should be frozen at -70 C or colder and transported frozen. Storage or transport at -20 C is not acceptable.


Processing Information - Lab Use Only

Transport Temperature

Refrigerate-OK/Frozen-OK

Specimen Stability

Room Temp: Unacceptable (7 Days for slides); Refrigerated: 4 Days (7 Days for slides); Frozen: 30 Days (Unacceptable for slides)

Rejection Criteria

Received in non-viral transport medium such as nucleic acid or bacterial transport media; Dry swabs; Specimen in formalin or other fixatives; Raw (unpreserved) specimens

Processing Instructions

Indicate source in comments, on specimen and on batch sheet.


CPT Codes

87273, 87274


Revised

09-27-22