A69.8
Other specified spirochetal infections
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 7 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 2
Index entries leading here 9
- Bronchitis (diffuse) (fibrinous) (hypostatic) (infective) (membranous) J40
- Spirochetosis A69.9
- Bronchospirochetosis A69.8
- Castellani A69.8
- Disease, diseased — see also Syndrome
- Castellani's A69.8
- Castellani's disease A69.8
- Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer) I96
- Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) J18.9
- Infection, infected, infective (opportunistic) B99.9
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative
Alongside this code 4 same parent — A69
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.