Ordering RecommendationRecommendations when to order or not order the test. May include related or preferred tests.
Determine in vitro susceptibility to antimicrobial agents for fastidious bacterial organisms.
MnemonicUnique test identifier.
MA FAST
MethodologyProcess(es) used to perform the test.
Broth Microdilution
PerformedDays of the week the test is performed.
Sun-Sat
ReportedExpected turnaround time for a result, beginning when ARUP has received the specimen.
2-4 days
New York DOH Approval StatusIndicates test has been approved by the New York State Department of Health.
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect
Actively growing isolate in pure culture.
Specimen Preparation
Transport sealed container with pure culture on agar slant or in bacterial transport media. Place each specimen in an individually sealed bag.
Storage/Transport Temperature
Room temperature. If culture is suspected of being a microorganism identified on the IATA list as an infectious substance affecting humans, submit specimen according to Infectious Substance, Category A, shipping guidelines.
Unacceptable Conditions
Mixed cultures or non-viable organisms.
Remarks
Isolate identification and specimen source required.
Reference IntervalNormal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Susceptible, intermediate, or resistant.
Interpretive DataBackground information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
Susceptibility testing is performed by CLSI-approved broth microdilution method using custom made MIC panels.
Compliance Category
Depends on Specimen/Source/Method
NoteAdditional information related to the test.
The following agents will be tested: Ampicillin, amoxicillin/clavulanic acid, azithromycin, ceftriaxone, cefuroxime, chloramphenicol, ciprofloxacin, erythromycin, gentamicin, imipenem, levofloxacin, meropenem, penicillin, tetracycline, and trimethoprim-sulfamethoxazole. Selective reporting by organism and source.
An additional processing fee will be billed for all organisms not submitted in pure culture, as indicated in the specimen requirements.
If species identification is not provided, identification will be performed at ARUP. Additional charges apply.
Hotline History
N/A
CPT CodesThe American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
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AliasesOther names that describe the test. Synonyms.