A01.09

Typhoid fever with other complications

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 5 never code together

A00-B99chapter

Excludes1

certain localized infections - see body system-related chapters

Excludes2

carrier or suspected carrier of infectious disease (Z22.-)Z22.-
infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)O98.-
infectious and parasitic diseases specific to the perinatal period (P35-P39)P35-P39
influenza and other acute respiratory infections (J00-J22)J00-J22

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 3

A01.0code

Inclusion terms

Infection due to Salmonella typhi

A00-B99chapter

Includes

diseases generally recognized as communicable or transmissible

Use additional code

code to identify resistance to antimicrobial drugs (Z16.-)Z16.-

Index entries leading here 14

Typhoid (abortive) (ambulant) (any site) (clinical) (fever) (hemorrhagic) (infection) (intermittent) (malignant) (rheumatic) (Widal negative) A01.00
- abdominal A01.09
- cholecystitis (current) A01.09
- mesenteric lymph nodes A01.09
- perichondritis, larynx A01.09
- specified NEC A01.09
- ulcer (perforating) A01.09
Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
- post-typhoid A01.09
Cholangiolitis (acute) (chronic) (extrahepatic) (gangrenous) (intrahepatic) K83.09
- typhoidal A01.09
Cholecystitis K81.9
- typhoidal A01.09
Choledocholithiasis (common duct) (hepatic duct) — see Calculus, bile duct
- typhoidal A01.09
Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
- typhoid (abortive) (hemorrhagic) (intermittent) (malignant) A01.00
  - complicated by
    - specified NEC A01.09
Nephritis, nephritic (albuminuric) (azotemic) (congenital) (disseminated) (epithelial) (familial) (focal) (granulomatous) (hemorrhagic) (infantile) (nonsuppurative, excretory) (uremic) N05.9
- due to
  - typhoid fever A01.09
Lymphadenitis I88.9
- mesenteric (acute) (chronic) (nonspecific) (subacute) I88.0
  - due to Salmonella typhi A01.09
Fistula (cutaneous) L98.8
- typhoid A01.09
Glomerulonephritis N05.9
- in (due to)
  - typhoid fever A01.09
Perichondritis
- larynx J38.7
  - typhoid A01.09
Post-typhoid abscess A01.09
Rheumatic (acute) (subacute)
- typhoid fever A01.09
Typhoperitonitis A01.09

Alongside this code 6 same parent — A01.0

A01.00 Typhoid fever, unspecified A01.01 Typhoid meningitis A01.02 Typhoid fever with heart involvement A01.03 Typhoid pneumonia A01.04 Typhoid arthritis A01.05 Typhoid osteomyelitis

Medications 1

7 Typhoid Fever drugs

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable: yes
Code set: FY2026
Parent: A01.0
Block: A00-A09
Siblings: 6

Present FY2024–FY2027.