Multianalyte Assays with Algorithmic Analyses (MAAA) effective January 1, 2018

Multianalyte Assays with Algorithmic Analyses (MAAA) are procedures that utilize multiple results derived from various types of assays, including molecular pathology assays, MAAAs are typically unique to a single clinical laboratory or manufacturer. Additional information regarding the MAAAs can be located in the CPT codebook, under Appendix O. The AMA released a new MAAA code which became effective January 1, 2018. This code is listed on the following page.  CPT Code Long Descriptor 0011M Oncology, prostate cancer, mRNA expression assay of 12 genes (10 content and 2 housekeeping), RT-PCR test utilizing blood plasma and/or urine, algorithms to predict...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This article gives a brief overview of Multianalyte Assays with Algorithmic Analyses (MAAA), explains that these tests are addressed in the CPT codebook, and notes a new American Medical Association code that became effective January 1, 2018. It is relevant for coding professionals, laboratory billing staff, and others who track CPT updates for proprietary molecular and algorithm-based assays.

Why This Topic Matters

MAAA services can be difficult to track because they are often tied to specific laboratories or manufacturers and are updated through CPT changes. This article helps readers identify that a new CPT entry was introduced for the 2018 reporting period and where related guidance is organized in the CPT codebook.

What You Will Learn

  • What Multianalyte Assays with Algorithmic Analyses are in general terms
  • Where related MAAA guidance is organized within the CPT codebook
  • That a new CPT code became effective on January 1, 2018
  • How the article frames the broader category of proprietary laboratory assays

Who Should Read This

  • Medical coders
  • Laboratory billing staff
  • Compliance staff
  • Revenue cycle professionals
  • Pathology and molecular diagnostics teams

Codes Discussed


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