Advanced Search

Pathology/Lab Coding Alert

You Be the Coder:

Distinguish 'Separate' or 'Repeat' Test Modifiers

Published on Tue Oct 16, 2018

Question: When should we use modifier 91 instead of modifier 59?   Kentucky Subscriber Answer: Reserve modifier 91 (Repeat clinical diagnostic laboratory test) for claims involving clinical lab tests, which are generally procedures paid on the Clinical Laboratory Fee Schedule, not the Physician Fee Schedule. Another restriction for 91 is that the reason for repeating the same lab test on the [...]
You’ve reached your limit of free articles. Already a subscriber? Log in.
Not a subscriber? Subscribe today to continue reading this article. Plus, you’ll get:
  • Simple explanations of current healthcare regulations and payer programs
  • Real-world reporting scenarios solved by our expert coders
  • Industry news, such as MAC and RAC activities, the OIG Work Plan, and CERT reports
  • Instant access to every article ever published in Revenue Cycle Insider
  • 6 annual AAPC-approved CEUs
  • The latest updates for CPT®, ICD-10-CM, HCPCS Level II, NCCI edits, modifiers, compliance, technology, practice management, and more

Other Articles in this issue of

Pathology/Lab Coding Alert

View All