Place of Service for Inpatient

👩🏾‍⚕️ Place of Service for Inpatient

Tags: pos inpatient medicare

⚕️Overview

Place of Service (POS) codes indicate where the professional service was rendered.

❤️‍🩹 Inpatient POS Codes

Code	Setting	Description
21	Inpatient Hospital	Patient admitted to hospital
22	Outpatient Hospital	Hospital clinic/ED
23	Emergency Room	Hospital ER
24	ASC	Ambulatory Surgical Center
31	SNF Part A	Skilled Nursing (inpatient)
32	SNF Part B	Skilled Nursing (outpatient)
41	Ambulance	Ground or air
42	Independent Lab	Laboratory services
51	Psych Hospital	Inpatient psychiatric
61	IRF	Inpatient Rehabilitation Facility

😷Impact on Reimbursement

• POS 21: Standard inpatient rates
• POS 22: Outpatient hospital rates (often lower)
• Facility vs. Non-Facility: Affects RVU calculation

POS Accuracy

Incorrect POS codes can lead to:

• Claim denials
• Over/under payment
• Audit triggers
• Compliance violations

🩻Common Scenarios

Observation vs. Inpatient

Status	POS	Codes
Observation	22	99218-99220 (deleted 2023)
Inpatient	21	99221-99233

2023 E/M Changes

Observation codes (99218-99220) were deleted in 2023. Use office/outpatient E/M codes (99202-99215) with POS 22 for observation services.

00 Inpatient ProFee Coding MOC M Codes