Coding Communication: Nanoliter Volume Tear Fluid Testing on a Microfluidic Lab-on-a-Chip (December 2010)

December 2010 page 11 Coding Communication: Nanoliter Volume Tear Fluid Testing on a Microfluidic Lab-on-a-Chip Advances in laboratory technology are allowing analytics on very small volume specimens. In CPT 2011, there is a new code representing one of the first clinical uses of microfluidic analytics. Whether other clinically useful nanoliter volume tests will be developed remains to be seen, but the potential is intriguing. Code 83861 , Microfluidic analysis utilizing an integrated collection and analysis device, tear osmolarity , to report testing of tear fluid has been added to the Pathology and Laboratory section of the CPT 2011 codebook. Tear fluid...

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

Article Overview

This article explains a CPT 2011 addition related to microfluidic laboratory testing of tear fluid and places it in the context of dry eye evaluation and tear osmolarity measurement. It is aimed at coding professionals, lab and ophthalmology readers, and anyone tracking new pathology and laboratory code changes. The discussion covers the technology behind the test, the clinical setting in which it is used, and reporting considerations tied to the new service.

Why This Topic Matters

It highlights an emerging laboratory technology that affects how a specific ophthalmic test is captured in CPT and helps readers understand the scope of the new code within pathology and laboratory coding.

Article Sections

  1. December 2010 page 11

    Introductory publication context for the coding update and the laboratory technology topic addressed in the article.

  2. Coding Communication: Nanoliter Volume Tear Fluid Testing on a Microfluidic Lab-on-a-Chip

    Overview of microfluidic tear fluid testing, its laboratory setting, and why the topic is relevant to CPT coding.

  3. Clinical Example

    A sample patient scenario used to illustrate the testing context and reporting situation discussed in the article.

What You Will Learn

  • How the article frames a new laboratory technology in CPT coding terms
  • What general clinical area the tear fluid test is associated with
  • What broad reporting considerations are discussed for the service
  • How the article situates the service within pathology and laboratory coding updates

Who Should Read This

  • Medical coders
  • Coding educators
  • Pathology and laboratory billing staff
  • Ophthalmology practice staff
  • Compliance professionals

Codes Discussed

Modifiers Discussed


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