A69.9 Spirochetal infection, unspecified

Billable ICD-10-CM code, FY2026.

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 104.9 Spirochetal infection, unspecified

Code annotations containing back-references to A69.9

Back-references to A69.9

• Type 1 Excludes: A49 Bacterial infection of unspecified site ("spirochetal infection NOS (A69.9)")

Diagnosis Index entries for A69.9

• Infection, infected, infective (opportunistic) › spirochetal NOS
• Spirochetosis
• Spirochetosis › arthritic, arthritica

Nearby codes

• A69.21 Meningitis due to Lyme disease
• A69.22 Other neurologic disorders in Lyme disease
• A69.23 Arthritis due to Lyme disease
• A69.29 Other conditions associated with Lyme disease
• A69.8 Other specified spirochetal infections
• A69.9 Spirochetal infection, unspecified (this code)