ICD-10 diagnosis code

A40 Streptococcal sepsis

A40 is the ICD-10 code for Streptococcal sepsis. It is a three-character category divided into 6 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block A30–A49 (Other bacterial diseases) in Chapter I, Certain infectious and parasitic diseases.

Code type: Category (3 characters)
Chapter: I · A00–B99
Classification: WHO ICD-10, 2019 version

What A40 excludes

Conditions that look similar but belong under another code.

during labour O75.3
following:
- abortion or ectopic or molar pregnancy O03-O07, O08.0
- immunization T88.0
- infusion, transfusion or therapeutic injection T80.2
neonatal P36.0-P36.1
postprocedural T81.4
puerperal O85

Coding notes

Use additional code R57.2 if desired, to identify septic shock.

Subcodes of A40

A40 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

A40Sepsis orsakad av streptokocker

DenmarkICD-10-DK

DA40Sepsis forårsaget af streptokokker

FinlandICD-10-FI

A40Streptokokin aiheuttama septikemia

GermanyICD-10-GM

A40Streptokokkensepsis

FranceICD-10-FR

A40Septicémie à streptocoques

NetherlandsICD-10-NL

A40sepsis door streptokokken

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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