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Acid-fast Organism Identification by PCR, MALDI-TOF and/or Sequencing With Reflex to Susceptibility Testing

CPT 87150
Synonyms
  • AFB Culture, Identification, Susceptibility

Test Details

Methodology

Identification by PCR, MALDI-TOF and/or nucleic acid sequencing, plus broth-based and/or conventional susceptibility testing

Result Turnaround Time

20 - 28 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Related Documents

Use

This test is used to identify and determine susceptibility of acid-fast bacteria referred from another laboratory that has performed the culture of the clinical sample. Note: PCR testing for M. avium and M. tuberculosis will only be performed on VersaTREK liquid-based broth submissions. Organisms not identified by PCR will have additional charges for identification by MALDI-TOF and/or nucleic acid sequencing.

Special Instructions

If reflex test is performed, additional charges/CPT code(s) may apply.

Limitations

This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration.

Specimen Requirements

Specimen

Isolated acid-fast bacillus (AFB) on agar or egg-based media; broth system positive for AFB (ensure it is not contaminated with non acid-fast bacteria)

Volume

Entire container

Container

Screw cap agar-slant tube; bacterial swab transport inoculated with isolated colonies from a pure culture; liquid-based broth tube from BD, bioMerieux or VersaTREK (slant, swab or liquid-based broth must be packed as an etiologic agent)

Storage Instructions

Maintain specimen at room temperature.

Causes for Rejection

Specimen received leaking or in broken transport tube or vial; unlabeled or name discrepancy between specimen and request label; primary clinical specimen received

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
183166 AFB ID+Susceptibilities 94541-0 183163 M tuberculosis complex 88874-3
183166 AFB ID+Susceptibilities 94541-0 183164 M avium complex 71719-9
183166 AFB ID+Susceptibilities 94541-0 183167 Reflex ID by MALDI N/A
183166 AFB ID+Susceptibilities 94541-0 183168 Other: N/A
183166 AFB ID+Susceptibilities 94541-0 183708 Susceptibility Testing 19156-9
Order Code183166
Order Code NameAFB ID+Susceptibilities
Order Loinc94541-0
Result Code183163
Result Code NameM tuberculosis complex
UofM
Result LOINC88874-3
Order Code183166
Order Code NameAFB ID+Susceptibilities
Order Loinc94541-0
Result Code183164
Result Code NameM avium complex
UofM
Result LOINC71719-9
Order Code183166
Order Code NameAFB ID+Susceptibilities
Order Loinc94541-0
Result Code183167
Result Code NameReflex ID by MALDI
UofM
Result LOINCN/A
Order Code183166
Order Code NameAFB ID+Susceptibilities
Order Loinc94541-0
Result Code183168
Result Code NameOther:
UofM
Result LOINCN/A
Order Code183166
Order Code NameAFB ID+Susceptibilities
Order Loinc94541-0
Result Code183708
Result Code NameSusceptibility Testing
UofM
Result LOINC19156-9
Reflex Table for Reflex ID by MALDI
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 183402 Organism ID by MALDI 183403 Organism ID by MALDI 76346-6
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex Table for Reflex ID by MALDI
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 183402 Organism ID by MALDI 183403 Organism ID by MALDI 76346-6
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex Table for Reflex ID by MALDI
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 183402 Organism ID by MALDI 183403 Organism ID by MALDI 76346-6
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex Table for Reflex ID by MALDI
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 183402 Organism ID by MALDI 183403 Organism ID by MALDI 76346-6
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex Table for Reflex ID by MALDI
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 183402 Organism ID by MALDI 183403 Organism ID by MALDI 76346-6
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex Table for Reflex ID by MALDI
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 183402 Organism ID by MALDI 183403 Organism ID by MALDI 76346-6
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex Table for Reflex ID by MALDI
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 183402 Organism ID by MALDI 183403 Organism ID by MALDI 76346-6
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex Table for Reflex ID by MALDI
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 183402 Organism ID by MALDI 183403 Organism ID by MALDI 76346-6
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex Table for Reflex ID by MALDI
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 183402 Organism ID by MALDI 183403 Organism ID by MALDI 76346-6
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex Table for Reflex ID by MALDI
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 183402 Organism ID by MALDI 183403 Organism ID by MALDI 76346-6
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex Table for Reflex ID by MALDI
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 183402 Organism ID by MALDI 183403 Organism ID by MALDI 76346-6
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex Table for Reflex ID by MALDI
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 183402 Organism ID by MALDI 183403 Organism ID by MALDI 76346-6
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6