A40.9
BillableStreptococcal sepsis, unspecified
Streptococcal sepsis, unspecified
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
- •neonatalP36.0-P36.1
- •puerperal sepsisO85
- •sepsis due to Streptococcus, group DA41.81
Excludes 2
Conditions not included here, but the patient may have both
Code First
The underlying condition must be sequenced before this code
- •, if applicable, postprocedural sepsisT81.44
- •sepsis due to central venous catheterT80.211
- •streptococcal sepsis during laborO75.3
- •streptococcal sepsis following abortion or ectopic or molar pregnancy, , , ,O03.37, O03.87, O04.87, O07.37, O08.82
- •streptococcal sepsis following immunizationT88.0
- •streptococcal sepsis following infusion, transfusion or therapeutic injection,T80.22, T80.29
Use Additional Code
Additional codes that should follow this code
Related Codes(4)
Related Conditions
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(35)
SNOMED CT
- Sepsis caused by anaerobic bacteria447843005
- Severe sepsis with acute organ dysfunction caused by anaerobic bacteria447843005
- Sepsis caused by Streptococcus448418006
- Severe sepsis with acute organ dysfunction caused by Streptococcus448418006
- Sepsis caused by anaerobic streptococcus715071001
- Septic shock co-occurrent with acute organ dysfunction caused by Streptococcus127251000119102
- Septic shock co-occurrent with acute organ dysfunction due to Gram-positive coccus1092511000119101
UMLS
- Septicaemia streptococcalC0152964
- Septicemia streptococcalC0152964
- Streptococcal bacteraemiaC0152964
- Streptococcal bacteremiaC0152964
- Streptococcal sepsisC0152964
- Streptococcal sepsis, unspecifiedC0152964
- Streptococcal septicaemiaC0152964
- Streptococcal septicemiaC0152964
- septicemia streptococcalC0152964
- strep bacteremiaC0152964
- streptococcal bacteremiaC0152964
- streptococcal sepsisC0152964
- streptococcal septicaemiaC0152964
- streptococcal septicemiaC0152964
Clinical Terms
- Streptococcal bacteremia
- septicemia streptococcal
- Sepsis caused by anaerobic streptococcus
- Sepsis caused by Streptococcus
- Sepsis caused by anaerobic bacteria
- streptococcal septicemia
- Septic shock co-occurrent with acute organ dysfunction due to Gram-positive coccus
- strep bacteremia
- Septicaemia streptococcal
- Septic shock co-occurrent with acute organ dysfunction caused by Streptococcus
- Severe sepsis with acute organ dysfunction caused by Streptococcus
- streptococcal septicaemia
- Streptococcal bacteraemia
- Severe sepsis with acute organ dysfunction caused by anaerobic bacteria
Frequently Asked Questions
What is the ICD-10 code for streptococcal sepsis, unspecified?
The ICD-10-CM code for streptococcal sepsis, unspecified is A40.9. The full clinical description is "Streptococcal sepsis, unspecified". A40.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code A40.9 mean?
ICD-10-CM code A40.9 represents “Streptococcal sepsis, unspecified”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a billable/specific code that can be used on a claim.
Is A40.9 a billable code?
Yes, A40.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is A40.9 in?
A40.9 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A40.9?
A40.9 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; neonatal (P36.0-P36.1); puerperal sepsis (O85); and 1 more.
Are additional codes required with A40.9?
Yes, when using A40.9, also report: resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does A40.9 map to?
A40.9 maps to 5 SNOMED CT concepts: 448418006, 447843005, 715071001, 127251000119102, 1092511000119101. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for A40.9?
A40.9 is linked to 1 UMLS Concept Unique Identifier: C0152964. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does A40.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like streptococcal sepsis, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of A40.9?
A40.9 maps to the ICD-11 code: 1G40 (Sepsis without septic shock).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.