ICD-10-CM · FY 2026 APRIL UPDATE
A01
Typhoid and paratyphoid fevers
Diagnosis reference
Nonbillable categoryThis entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.
Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification
Related entries
Up to 30 descendants in this category
| CODE | DESCRIPTION | TYPE |
|---|---|---|
| A01.0 | Typhoid fever | Category |
| A01.00 | Typhoid fever, unspecified | Billable |
| A01.01 | Typhoid meningitis | Billable |
| A01.02 | Typhoid fever with heart involvement | Billable |
| A01.03 | Typhoid pneumonia | Billable |
| A01.04 | Typhoid arthritis | Billable |
| A01.05 | Typhoid osteomyelitis | Billable |
| A01.09 | Typhoid fever with other complications | Billable |
| A01.1 | Paratyphoid fever A | Billable |
| A01.2 | Paratyphoid fever B | Billable |
| A01.3 | Paratyphoid fever C | Billable |
| A01.4 | Paratyphoid fever, unspecified | Billable |
Use the complete reference
This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.
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