GramPosRod

Gram-positive rod identification – Culture

Laboratory Fee Schedule

Procedure #:  MAA0033A

CPT:   87077 


Gram-positive rod identification – Culture

Synonym(s):

Gram positive non-spore forming rod, Listeria

Requisition Form

G-2B 

Test Description

Identification of gram-positive rods from reference culture

Pre-Approval Needed

N/A

Supplemental Information Required

N/A

Supplemental Form(s)

N/A

Performed on Specimens from (sources)

Human

Sample/Specimen Type for Testing

Pure isolate

Minimum Volume/Size Required

At least one viable colony

Storage/Preservation Prior to Shipping

Room temperature or refrigerated

Transport Medium

Appropriate medium that supports growth

Specimen Labeling

  • Two patient-specific identifiers required (e.g., patient full name, date of birth, Medical record number)
  • Identifiers on specimen must exactly match submission form.

Shipping and Specimen Handling Requirements

  • Ship according to Dangerous Good Regulations, IATA, and/or CFR 49  
  • Ship specimens overnight Monday-Thursday to avoid weekend deliveries. 

Method

Bacterial culture, MALDI-TOF (Mass spectrometry)

Turn-around Time

2-21 days

Interferences/Limitations

  • Material must be viable
  • Improper storage or shipping temperatures
  • Limit organism recovery.

Common Causes for Rejection

  • Insufficient quantity
  • Unacceptable specimen type or source
  • Improper shipping conditions
  • Expired media or collection container
  • Discrepancies between specimen label and submission form
  • Incomplete or missing submission form

Additional Information

N/A

Last updated May 3, 2021