Test Directory
| Test Code | ||
| HELIS | ||
| Test Name | ||
| Helicobacter pylori Culture and Susceptibilities | ||
| CPT Codes | ||
| 87081 | ||
| Expected Turnaround Time | ||
| 7 - 28 days | ||
| Clinical Utility | ||
| Recovery of Helicobacter pylori from gastric specimens for antimicrobial susceptibility testing of the organism (amoxicillin, clarithromycin, levofloxacin, metronidazole, rifampin, and tetracycline are routinely tested) | ||
| Specimen and Container Info | ||
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Specimen Type: Tissue or Biopsy Alternate Specimen Type: Gastric Fluid
Collection Container: Sterile Container Desired Specimen Volume: 0.5 x 0.2 x 0.2 cm size tissue Alternate Specimen Volume: 0.5 mL fluid |
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| Collection Instructions | ||
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| Processing and Submission Instructions | ||
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| Transport Instructions | ||
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Transport to the laboratory refrigerated. |
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| Stability Requirements | ||
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| Causes for Rejection | ||
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| Methodology | ||
| Conventional Culture Technique with Minimal Inhibitory Concentration (MIC) (Agar Dilution or Broth Microdilution or Gradient Diffusion) or Disk Diffusion if appropriate | ||
| Reference Intervals | ||
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See patient report. |
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| Limitations | ||
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Culture-negative results may occur due to the fastidious nature of the organism. Delays in specimen transportation will decrease recovery of the organism. Culture should be set up as soon as possible following specimen collection. Antimicrobial therapy may render the culture negative. Due to Helicobacter pylori's fastidious nature and slow growth, it may take 7 days to recover the organism and up to an additional 21 days to perform antimicrobial susceptibility testing. When antimicrobial susceptibilities are performed, in vitro susceptibility does not guarantee clinical response. Therefore, the decision to treat with a particular agent should not be based solely on the antimicrobial susceptibility, testing result. The Clinical and Laboratory Standards Institute has defined interpretive categories for clarithromycin. The antimicrobials for which the European Committee on Antimicrobial Susceptibility Testing has defined interpretive categories include amoxicillin, clarithromycin, levofloxacin, metronidazole rifampin, and tetracycline. |
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| Alternate Names | ||
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| Reference Lab | ||
| Mayo Clinic Laboratories | ||
| Testing Schedule | ||
| Routine, daily | ||
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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