II.I

Admission from Observation Unit

This is a section heading — the guidance lives in the subsections below.

In this section

II.I.1Admission Following Medical Observation
II.I.2Admission Following Post-Operative Observation

ICD-10-CM Official Guidelines for Coding and Reporting, FY 2026 (effective October 1, 2025). Published by CMS and NCHS. Reproduced for reference — always verify against the official CMS release.