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P36.9 — Bacterial sepsis of newborn, unspecified
P36.9
What this code means
Bacterial sepsis of the newborn is a serious bloodstream infection in the first weeks of life; the organism is not specified.
Also called: neonatal sepsis, bacterial sepsis of newborn.
When this code is used
Used for bacterial sepsis of newborn, unspecified.
Where it sits in ICD-10-CM
Code P36.9 belongs to Chapter 16: Certain conditions originating in the perinatal period, which covers codes P00–P96 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related symptoms
Frequently asked questions
What is ICD-10-CM code P36.9?
P36.9 is the ICD-10-CM diagnosis code for “Bacterial sepsis of newborn, unspecified”. Bacterial sepsis of the newborn is a serious bloodstream infection in the first weeks of life; the organism is not specified.
When is code P36.9 used?
Used for bacterial sepsis of newborn, unspecified. It belongs to Chapter 16 of ICD-10-CM (Certain conditions originating in the perinatal period).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.