All ICD10 Codes

A40

Non-Billable
ChapterA00–B99
Rankcategory
Official Description

Streptococcal sepsis

Use a more specific code (5 billable)
A40.0Sepsis due to streptococcus, group AA40.1Sepsis due to streptococcus, group BA40.3Sepsis due to Streptococcus pneumoniaeA40.8Other streptococcal sepsisA40.9Streptococcal sepsis, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

CH1 Parent Instructions

Includes
  • diseases generally recognized as communicable or transmissible
Excludes1(Not coded here. Use a different code.)
  • certain localized infections - see body system-related chapters
Excludes2(Not included here. Code separately if applicable.)
  • carrier or suspected carrier of infectious disease (Z22.-)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)
Use Additional Code
  • code to identify resistance to antimicrobial drugs (Z16.-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
Code First
  • , if applicable, postprocedural sepsis (T81.44-)
  • sepsis due to central venous catheter (T80.211-)
  • streptococcal sepsis during labor (O75.3)
  • streptococcal sepsis following abortion or ectopic or molar pregnancy (O03.37, O03.87, O04.87, O07.37, O08.82)
  • streptococcal sepsis following immunization (T88.0-)
  • streptococcal sepsis following infusion, transfusion or therapeutic injection (T80.22-, T80.29-)

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
A30-A49Other bacterial diseases (A30-A49)
A40Streptococcal sepsisNot billable
A40.0Sepsis due to streptococcus, group ABillable
A40.1Sepsis due to streptococcus, group BBillable
A40.3Sepsis due to Streptococcus pneumoniaeBillable
A40.8Other streptococcal sepsisBillable
A40.9Streptococcal sepsis, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to A40:

chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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