A01.3 Paratyphoid fever C

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

MS-DRG index

Defines the logic of DRG(s) 867-869 in MDC 18.

Approximate ICD-9-CM (GEMs)

• 002.3 Paratyphoid fever C

Code annotations containing back-references to A01.3

Back-references to A01.3

• Code First: M01 Direct infections of joint in infectious and parasitic diseases classified elsewhere ("paratyphoid fever (A01.1-A01.4)")

Back-references to A01

• Code First: M49 Spondylopathies in diseases classified elsewhere ("enterobacterial infections (A01-A04)")
• Type 2 Excludes: P37 Other congenital infectious and parasitic diseases ("infectious neonatal diarrhea (A00-A09)")

Diagnosis Index entries for A01.3

• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › paratyphoid › C
• Infection, infected, infective (opportunistic) › Bacillus › paratyphoid, paratyphosus › C
• Infection, infected, infective (opportunistic) › Bacterium › paratyphosum › C
• Infection, infected, infective (opportunistic) › Parastrongylus › paratyphoid › Type C
• Infection, infected, infective (opportunistic) › Salmonella (aertrycke) (arizonae) (cholerae-suis) (enteritidis) (gallinarum) (suipestifer) (typhimurium) › hirschfeldii
• Infection, infected, infective (opportunistic) › Salmonella (aertrycke) (arizonae) (cholerae-suis) (enteritidis) (gallinarum) (suipestifer) (typhimurium) › paratyphi › C

Nearby codes

• A01.04 Typhoid arthritis
• A01.05 Typhoid osteomyelitis
• A01.09 Typhoid fever with other complications
• A01.1 Paratyphoid fever A
• A01.2 Paratyphoid fever B
• A01.3 Paratyphoid fever C (this code)
• A01.4 Paratyphoid fever, unspecified