ARUP's Laboratory Test Directory

Acid Fast Stain, Partial or Modified (for Nocardia spp.) : 0060325

Mnemonic: MS PAFS

Methodology: Stain/Microscopy
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Aspirate, fluid, respiratory specimen, or tissue.

Specimen Preparation: Transport fluid or aspirate in sterile container. OR Tissue: Place on gauze moistened with sterile non-bacteriostatic saline to prevent drying and transport in sterile container.

Storage/Transport Temperature: Room temperature.

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

Reference Interval:
By report
Note: The partial acid fast provides presumptive identification of some actinomycetes (Nocardia sp., Gordonia sp., etc.).
CPT Code(s): 87206