CMS Transmittal R13965CP: Instructions for Retrieving the January 2027 Opioid Treatment Program (OTP) Payment Rates File…
Outpatient
CPT procedure code
85610 — Prothrombin time (PT)
PathologyCPT
Medicare payment
$4.29
2026 Clinical Laboratory Fee Schedule
Source: CMS Clinical Laboratory Fee Schedule (2026). CMS fee schedules ↗ · PFS status indicator X
National amount before geographic adjustment. Your MAC's locality rate will differ.
Code definition
Code
85610
Code system
CPT (Current Procedural Terminology)
Description
Prothrombin time (PT)
Category
Pathology
Short description sourced from CMS publicly available fee schedule data. Full CPT descriptions are copyright AMA. Not a substitute for the official CPT codebook.
Latest reimbursement alerts
No policy changes are currently matched to 85610. Here are the latest changes across all codes.
Critical
CMS Transmittal R13967OTN: Health Insurance Portability and Accountability Act (HIPAA) Electronic Data Interchange(EDI)…
Multi-specialty
CMS Transmittal R248SOMA: Revisions to the State Operations Manual (SOM) Appendix A – Hospitals
Inpatient (IPPS)
CMS Transmittal R247SOMA: Revisions to the State Operations Manual (SOM) Appendix W – Critical Access Hospitals (CHAs…
Inpatient (IPPS)
CMS Transmittal R13966FM: Creation of the 'PROVIDER-TERMINATED' Status at the Provider/Customer Level on the Healthcare…
Multi-specialty
FDA Approval: PIXCLARA (FLORETYROSINE F 18) — Type 1 - New Molecular Entity
Radiology
Audit documentation
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