Test Code SGRAM Gram Stain LAB250
Test Method
Fixed smears stained with crystal violet (fixed with iodine)
and
counter-stained with safranin; Gram Stain
Performance
Monday through Sunday
Routine: Typically completed within 4 hours after the
specimen
arrives at the testing site.
Expedite: Typically completed within 2 hours after the
specimen arrives at the testing site.
STAT: Typically completed within 90 minutes after
the
specimen arrives at the testing site.
Specimen Requirement
The gram stain slide is prepared in the laboratory from the
specimen obtained for culture, if ordered. A smear for Gram
Stain
may be prepared at the patient bedside at the physician’s
discretion.
Useful For
Detection of WBC and bacteria in clinical specimens.
Reference Values
The gram stain report will numerate the polys present
and list and numerate the microbiological flora
present
with a presumptive identification when possible.
CPT Code Information
87205 Identification of Organism form Primary Source and
Sensitivity Studies; smear, primary source with interpretation,
Gram or Giemsa Stain for bacteria, fungi or cell types
LOINC Code Information
664-3 Microscopic Observation [Identifier] In Unspecified
Specimen By Gram Stain