A01.04 Typhoid arthritis

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

Applies from A01.0 Typhoid fever

Applicable to

• Infection due to Salmonella typhi

Risk adjustment (HCC)

• CMS-HCC V28: HCC 92 — Bone/Joint/Muscle/Severe Soft Tissue Infections/Necrosis
• CMS-HCC V22: HCC 39 — Bone/Joint/Muscle Infections/Necrosis
• ESRD V24: HCC 39

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 002.0 Typhoid fever (approximate)

Code annotations containing back-references to A01.04

Back-references to A01.04

• Type 1 Excludes: M01 Direct infections of joint in infectious and parasitic diseases classified elsewhere ("typhoid fever arthritis (A01.04)")

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 A01.04

• Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) › due to or associated with › typhoid fever
• Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) › in (due to) › typhoid fever
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › typhoid (abortive) (hemorrhagic) (intermittent) (malignant) › complicated by › arthritis
• Typhoid (abortive) (ambulant) (any site) (clinical) (fever) (hemorrhagic) (infection) (intermittent) (malignant) (rheumatic) (Widal negative) › arthritis

Nearby codes

• A01.0 Typhoid fever
• A01.00 Typhoid fever, unspecified
• A01.01 Typhoid meningitis
• A01.02 Typhoid fever with heart involvement
• A01.03 Typhoid pneumonia
• A01.04 Typhoid arthritis (this code)
• 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