O09.821 Supervision of pregnancy with history of in utero procedure during previous pregnancy, first trimester

The ICD-10-CM code for Supervision of pregnancy with history of in utero procedure during previous pregnancy, first trimester is O09.821 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

15: Pregnancy, childbirth and the puerperium (O00-O9A)

Section

O09: Supervision of high risk pregnancy (O09)

Category O09

85 codes (64 billable)

FY2026 Status

Stable since FY2024

U.S. Hospital Utilization

O09.821 appeared in too few sampled U.S. inpatient stays in 2018 to report a national estimate (AHRQ suppresses counts of 10 or fewer) — a rare inpatient diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)

Cite This Page

Reference O09.821 with the canonical source and edition:

O09.821 — Supervision of pregnancy with history of in utero procedure during previous pregnancy, first trimester. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/O09.821

Canonical URL: https://icd10codingpro.com/codes/O09.821