Patient-Driven Payment Model (PDPM)

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J2100: How Do Interim Hospital Stays Impact Coding?

Posted By: Caralyn Davis, Staff Writer
Post Date: 12/19/2019

MDS item I0020B (ICD Code/Resident’s Primary Medical Condition) sets a Medicare Part A resident’s default primary diagnosis clinical category for determining case-mix classification in the physical therapy (PT), occupational therapy (OT), and speech-language pathology (SLP) payment components of the Patient-Driven Payment Model (PDPM). However, a major surgery in the resident’s immediately preceding inpatient hospital stay that is coded in MDS items J2100 – J5000 can push the resident into a surgical category that takes precedence over the default category, resulting in a higher-paying case-mix group.


Item J2100 (Recent Surgery Requiring Active SNF Care) is the lynchpin to achieving a surgical clinical category, serving as the gateway question that determines whether or not a surgery can be captured in J2300 – J5000 (Recent Surgeries Requiring Active SNF Care). Note: See the PDPM Calculation Worksheet for SNFs in chapter 6 of the Long-Term Care Facility Resident Assessment Instrument 3.0 User’s Manual for details on how items in J2300 – J5000 impact classification.

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