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Acid-fast Organism Identification by PCR, MALDI-TOF and/or Sequencing

CPT 87150
Synonyms
  • AFB Culture, Identification

Test Details

Methodology

Identification by PCR, MALDI-TOF and/or nucleic acid sequencing

Result Turnaround Time

15 - 24 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 acid-fast bacteria referred from another laboratory that has performed the culture of the clinical sample. Note: PCR testing for identification of M. avium complex and M. tuberculosis complex will be performed on VersaTREK liquid-based broth submissions only. 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
183158 AFB Identification 183163 M tuberculosis complex 88874-3
183158 AFB Identification 183164 M avium complex 71719-9
183158 AFB Identification 183167 Reflex ID by MALDI N/A
183158 AFB Identification 183168 Other: N/A
Order Code183158
Order Code NameAFB Identification
Order Loinc
Result Code183163
Result Code NameM tuberculosis complex
UofM
Result LOINC88874-3
Order Code183158
Order Code NameAFB Identification
Order Loinc
Result Code183164
Result Code NameM avium complex
UofM
Result LOINC71719-9
Order Code183158
Order Code NameAFB Identification
Order Loinc
Result Code183167
Result Code NameReflex ID by MALDI
UofM
Result LOINCN/A
Order Code183158
Order Code NameAFB Identification
Order Loinc
Result Code183168
Result Code NameOther:
UofM
Result LOINCN/A
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 2 183404 Aerobic ID by MALDI 183404 Aerobic ID by MALDI 75756-7
Reflex 3 183285 Organism ID by Sequencing 183286 Organism ID by Sequencing 41852-5
Reflex 4 183269 Aerobic Bacteria, ID by Seq. 183270 Aerobic Bacteria, ID by Seq. 42803-7
Reflex 5 183271 Organism Identification 183272 Organism Identification 42803-7
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex 2
Order Code183404
Order NameAerobic ID by MALDI
Result Code183404
Result NameAerobic ID by MALDI
UofM
Result LOINC75756-7
Reflex 3
Order Code183285
Order NameOrganism ID by Sequencing
Result Code183286
Result NameOrganism ID by Sequencing
UofM
Result LOINC41852-5
Reflex 4
Order Code183269
Order NameAerobic Bacteria, ID by Seq.
Result Code183270
Result NameAerobic Bacteria, ID by Seq.
UofM
Result LOINC42803-7
Reflex 5
Order Code183271
Order NameOrganism Identification
Result Code183272
Result NameOrganism Identification
UofM
Result LOINC42803-7
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 2 183404 Aerobic ID by MALDI 183404 Aerobic ID by MALDI 75756-7
Reflex 3 183285 Organism ID by Sequencing 183286 Organism ID by Sequencing 41852-5
Reflex 4 183301 Anaerobic Bacteria, ID by Seq. 183302 Anaerobic Bacteria, ID by Seq. 42803-7
Reflex 5 183303 Organism Identification 183304 Organism Identification 42803-7
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex 2
Order Code183404
Order NameAerobic ID by MALDI
Result Code183404
Result NameAerobic ID by MALDI
UofM
Result LOINC75756-7
Reflex 3
Order Code183285
Order NameOrganism ID by Sequencing
Result Code183286
Result NameOrganism ID by Sequencing
UofM
Result LOINC41852-5
Reflex 4
Order Code183301
Order NameAnaerobic Bacteria, ID by Seq.
Result Code183302
Result NameAnaerobic Bacteria, ID by Seq.
UofM
Result LOINC42803-7
Reflex 5
Order Code183303
Order NameOrganism Identification
Result Code183304
Result NameOrganism Identification
UofM
Result LOINC42803-7
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 2 183404 Aerobic ID by MALDI 183404 Aerobic ID by MALDI 75756-7
Reflex 3 183285 Organism ID by Sequencing 183286 Organism ID by Sequencing 41852-5
Reflex 4 183277 Nocardia, ID by Sequencing 183278 Nocardia, ID by Sequencing 55096-2
Reflex 5 183279 Organism Identification 183280 Organism Identification 55096-2
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex 2
Order Code183404
Order NameAerobic ID by MALDI
Result Code183404
Result NameAerobic ID by MALDI
UofM
Result LOINC75756-7
Reflex 3
Order Code183285
Order NameOrganism ID by Sequencing
Result Code183286
Result NameOrganism ID by Sequencing
UofM
Result LOINC41852-5
Reflex 4
Order Code183277
Order NameNocardia, ID by Sequencing
Result Code183278
Result NameNocardia, ID by Sequencing
UofM
Result LOINC55096-2
Reflex 5
Order Code183279
Order NameOrganism Identification
Result Code183280
Result NameOrganism Identification
UofM
Result LOINC55096-2
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 2 183404 Aerobic ID by MALDI 183404 Aerobic ID by MALDI 75756-7
Reflex 3 183285 Organism ID by Sequencing 183286 Organism ID by Sequencing 41852-5
Reflex 4 183293 Mycobacteria, ID by Seq. 183294 Mycobacteria, ID by Seq. 9825-1
Reflex 5 183295 Organism Identification 183296 Organism Identification 9825-1
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex 2
Order Code183404
Order NameAerobic ID by MALDI
Result Code183404
Result NameAerobic ID by MALDI
UofM
Result LOINC75756-7
Reflex 3
Order Code183285
Order NameOrganism ID by Sequencing
Result Code183286
Result NameOrganism ID by Sequencing
UofM
Result LOINC41852-5
Reflex 4
Order Code183293
Order NameMycobacteria, ID by Seq.
Result Code183294
Result NameMycobacteria, ID by Seq.
UofM
Result LOINC9825-1
Reflex 5
Order Code183295
Order NameOrganism Identification
Result Code183296
Result NameOrganism Identification
UofM
Result LOINC9825-1
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 2 183404 Aerobic ID by MALDI 183404 Aerobic ID by MALDI 75756-7
Reflex 3 183285 Organism ID by Sequencing 183286 Organism ID by Sequencing 41852-5
Reflex 4 183319 Yeast, ID by Sequencing 183320 Yeast, ID by Sequencing 42804-5
Reflex 5 183321 Organism Identification 183322 Organism Identification 42804-5
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex 2
Order Code183404
Order NameAerobic ID by MALDI
Result Code183404
Result NameAerobic ID by MALDI
UofM
Result LOINC75756-7
Reflex 3
Order Code183285
Order NameOrganism ID by Sequencing
Result Code183286
Result NameOrganism ID by Sequencing
UofM
Result LOINC41852-5
Reflex 4
Order Code183319
Order NameYeast, ID by Sequencing
Result Code183320
Result NameYeast, ID by Sequencing
UofM
Result LOINC42804-5
Reflex 5
Order Code183321
Order NameOrganism Identification
Result Code183322
Result NameOrganism Identification
UofM
Result LOINC42804-5
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 2 183404 Aerobic ID by MALDI 183404 Aerobic ID by MALDI 75756-7
Reflex 3 183285 Organism ID by Sequencing 183286 Organism ID by Sequencing 41852-5
Reflex 4 183327 Mold, ID by Sequencing 183328 Mold, ID by Sequencing 42804-5
Reflex 5 183329 Organism Identification 183330 Organism Identification 42804-5
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex 2
Order Code183404
Order NameAerobic ID by MALDI
Result Code183404
Result NameAerobic ID by MALDI
UofM
Result LOINC75756-7
Reflex 3
Order Code183285
Order NameOrganism ID by Sequencing
Result Code183286
Result NameOrganism ID by Sequencing
UofM
Result LOINC41852-5
Reflex 4
Order Code183327
Order NameMold, ID by Sequencing
Result Code183328
Result NameMold, ID by Sequencing
UofM
Result LOINC42804-5
Reflex 5
Order Code183329
Order NameOrganism Identification
Result Code183330
Result NameOrganism Identification
UofM
Result LOINC42804-5
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 2 183405 Anaerobic ID by MALDI 183405 Anaerobic ID by MALDI 75756-7
Reflex 3 183285 Organism ID by Sequencing 183286 Organism ID by Sequencing 41852-5
Reflex 4 183269 Aerobic Bacteria, ID by Seq. 183270 Aerobic Bacteria, ID by Seq. 42803-7
Reflex 5 183271 Organism Identification 183272 Organism Identification 42803-7
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex 2
Order Code183405
Order NameAnaerobic ID by MALDI
Result Code183405
Result NameAnaerobic ID by MALDI
UofM
Result LOINC75756-7
Reflex 3
Order Code183285
Order NameOrganism ID by Sequencing
Result Code183286
Result NameOrganism ID by Sequencing
UofM
Result LOINC41852-5
Reflex 4
Order Code183269
Order NameAerobic Bacteria, ID by Seq.
Result Code183270
Result NameAerobic Bacteria, ID by Seq.
UofM
Result LOINC42803-7
Reflex 5
Order Code183271
Order NameOrganism Identification
Result Code183272
Result NameOrganism Identification
UofM
Result LOINC42803-7
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 2 183406 Nocardia ID by MALDI 183406 Nocardia ID by MALDI 76346-6
Reflex 3 183285 Organism ID by Sequencing 183286 Organism ID by Sequencing 41852-5
Reflex 4 183269 Aerobic Bacteria, ID by Seq. 183270 Aerobic Bacteria, ID by Seq. 42803-7
Reflex 5 183271 Organism Identification 183272 Organism Identification 42803-7
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex 2
Order Code183406
Order NameNocardia ID by MALDI
Result Code183406
Result NameNocardia ID by MALDI
UofM
Result LOINC76346-6
Reflex 3
Order Code183285
Order NameOrganism ID by Sequencing
Result Code183286
Result NameOrganism ID by Sequencing
UofM
Result LOINC41852-5
Reflex 4
Order Code183269
Order NameAerobic Bacteria, ID by Seq.
Result Code183270
Result NameAerobic Bacteria, ID by Seq.
UofM
Result LOINC42803-7
Reflex 5
Order Code183271
Order NameOrganism Identification
Result Code183272
Result NameOrganism Identification
UofM
Result LOINC42803-7
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 2 183407 Mycobacteria ID by MALDI 183407 Mycobacteria ID by MALDI 76346-6
Reflex 3 183285 Organism ID by Sequencing 183286 Organism ID by Sequencing 41852-5
Reflex 4 183269 Aerobic Bacteria, ID by Seq. 183270 Aerobic Bacteria, ID by Seq. 42803-7
Reflex 5 183271 Organism Identification 183272 Organism Identification 42803-7
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex 2
Order Code183407
Order NameMycobacteria ID by MALDI
Result Code183407
Result NameMycobacteria ID by MALDI
UofM
Result LOINC76346-6
Reflex 3
Order Code183285
Order NameOrganism ID by Sequencing
Result Code183286
Result NameOrganism ID by Sequencing
UofM
Result LOINC41852-5
Reflex 4
Order Code183269
Order NameAerobic Bacteria, ID by Seq.
Result Code183270
Result NameAerobic Bacteria, ID by Seq.
UofM
Result LOINC42803-7
Reflex 5
Order Code183271
Order NameOrganism Identification
Result Code183272
Result NameOrganism Identification
UofM
Result LOINC42803-7
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 2 183408 Yeast ID by MALDI 183408 Yeast ID by MALDI 76346-6
Reflex 3 183285 Organism ID by Sequencing 183286 Organism ID by Sequencing 41852-5
Reflex 4 183269 Aerobic Bacteria, ID by Seq. 183270 Aerobic Bacteria, ID by Seq. 42803-7
Reflex 5 183271 Organism Identification 183272 Organism Identification 42803-7
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex 2
Order Code183408
Order NameYeast ID by MALDI
Result Code183408
Result NameYeast ID by MALDI
UofM
Result LOINC76346-6
Reflex 3
Order Code183285
Order NameOrganism ID by Sequencing
Result Code183286
Result NameOrganism ID by Sequencing
UofM
Result LOINC41852-5
Reflex 4
Order Code183269
Order NameAerobic Bacteria, ID by Seq.
Result Code183270
Result NameAerobic Bacteria, ID by Seq.
UofM
Result LOINC42803-7
Reflex 5
Order Code183271
Order NameOrganism Identification
Result Code183272
Result NameOrganism Identification
UofM
Result LOINC42803-7
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 2 183428 Mold ID by MALDI 183428 Mold ID by MALDI 98404-7
Reflex 3 183327 Mold, ID by Sequencing 183328 Mold, ID by Sequencing 42804-5
Reflex 4 183329 Organism Identification 183330 Organism Identification 42804-5
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex 2
Order Code183428
Order NameMold ID by MALDI
Result Code183428
Result NameMold ID by MALDI
UofM
Result LOINC98404-7
Reflex 3
Order Code183327
Order NameMold, ID by Sequencing
Result Code183328
Result NameMold, ID by Sequencing
UofM
Result LOINC42804-5
Reflex 4
Order Code183329
Order NameOrganism Identification
Result Code183330
Result NameOrganism Identification
UofM
Result LOINC42804-5
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 2 183327 Mold, ID by Sequencing 183328 Mold, ID by Sequencing 42804-5
Reflex 3 183329 Organism Identification 183330 Organism Identification 42804-5
Reflex 1
Order Code183402
Order NameOrganism ID by MALDI
Result Code183403
Result NameOrganism ID by MALDI
UofM
Result LOINC76346-6
Reflex 2
Order Code183327
Order NameMold, ID by Sequencing
Result Code183328
Result NameMold, ID by Sequencing
UofM
Result LOINC42804-5
Reflex 3
Order Code183329
Order NameOrganism Identification
Result Code183330
Result NameOrganism Identification
UofM
Result LOINC42804-5