Advanced Search

Medicare Compliance & Reimbursement

Compliance:

Avoid DOS Errors With the CMS 14-Day Rule

Published on Tue Sep 08, 2026

Question: The provider collected a patient’s buccal swab and saliva on August 10. The saliva specimen was not tested until 14 days later. My colleague warned me of a “14-day rule” related to laboratory services. Would that change the date of service (DOS) for billing purposes? Ohio Subscriber Answer: The Centers for Medicare & Medicaid Services’ (CMS’) Laboratory Date [...]
Codify by AAPC
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

Medicare Compliance & Reimbursement

Subscribe to newsletter