ARUP's Laboratory Test Directory

Human Metapneumovirus by DFA : 0060779

Mnemonic: HMPVFA

Ordering Recommendation: Preferred initial test to detect human metapneumovirus (hMPV) in children and adults.
Methodology: Direct Fluorescent Antibody Stain
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Respiratory specimen: Bronchoalveolar lavage (BAL), nasopharyngeal (aspirate, swab, or washing), or tracheal aspirate.

Specimen Preparation: Do not freeze.
Fluid:
Transfer specimen to a sterile container. Also acceptable: Transfer to viral transport media (ARUP supply #12884). Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787.
Swab:
Place in viral transport media.
Place each specimen in an individually sealed bag.


Storage/Transport Temperature: Refrigerated.

Remarks: Specimen source preferred.

Unacceptable Conditions: Calcium alginate, dry, or wood swabs. Slides.

Stability (collection to initiation of testing): Ambient: 2 hours; Refrigerated: 72 hours; Frozen: Unacceptable

Reference Interval:
Negative
Note: Sensitivity of DFA methodology is dependent upon adequacy of the specimen.  If there are fewer than 20 cells, the DFA result will be reported as "sample inadequate."
CPT Code(s): 87299
Cross References: Metapneumovirus (Human Metapneumovirus by DFA)