CLIA Categories and Subcategories (Rev. 1, 10-01-03)

by  Jared Staheli
July 10th, 2015

A laboratory may be licensed or exempted from licensure in several major categories of procedures. These major categories are:

010 Histocompatibility

100 Microbiology

110 Bacteriology

115 Mycobacteriology

120 Mycology

130 Parasitology

140 Virology

150 Other Microbiology

200 Diagnostic Immunology

210 Syphilis Serology

220 General Immunology

300 Chemistry

310 Routine

320 Urinalysis

330 Endocrinology

340 Toxicology

350 Other

400 Hematology

500 Immuno-hematology

510 ABO Group and RH Type

520 Antibody Detection (Transfusion)

530 Antibody Detection (Non Transfusion)

540 Antibody Identification

550 Compatability Testing

560 Other

600 Pathology

610 Histopathology

620 Oral Pathology

630 Cytology

800 Radioassay

900 Clinical Cytogenics

For a list of specific HCPCS codes see


CLIA Categories and Subcategories (Rev. 1, 10-01-03). (2015, July 10). Find-A-Code Articles. Retrieved from

© InnoviHealth Systems Inc

Article Tags  (click on a tag to see related articles)

Publish this Article on your Website, Blog or Newsletter

This article is available for publishing on websites, blogs, and newsletters. The article must be published in its entirety - all links must be active. If you would like to publish this article, please contact us and let us know where you will be publishing it. The easiest way to get the text of the article is to highlight and copy. Or use your browser's "View Source" option to capture the HTML formatted code.

If you would like a specific article written on a medical coding and billing topic, please Contact Us.


innoviHealth Systems, Inc.
62 East 300 North
Spanish Fork, UT 84660
Phone: 801-770-4203 (9-5 Mountain)
free demo
request yours today
for any budget
sign IN
welcome back!

Thank you for choosing Find-A-Code, please Sign In to remove ads.