A66.0 Initial lesions of yaws

Billable ICD-10-CM code, FY2026.

Applicable to

• Chancre of yaws
• Frambesia, initial or primary
• Initial frambesial ulcer
• Mother yaw

Applies from A66 Yaws

Includes

• bouba
• frambesia (tropica)
• pian

MS-DRG index

Defines the logic of DRG(s) 606-607 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 102.0 Initial lesions of yaws

Diagnosis Index entries for A66.0

• Chancre (any genital site) (hard) (hunterian) (mixed) (primary) (seronegative) (seropositive) (syphilitic) › of › yaws
• Chancre (any genital site) (hard) (hunterian) (mixed) (primary) (seronegative) (seropositive) (syphilitic) › yaws
• Frambesia, frambesial (tropica) › initial lesion or ulcer
• Frambesia, frambesial (tropica) › primary
• Lesion (s) (nontraumatic) › primary › yaws
• Mother yaw
• Ulcer, ulcerated, ulcerating, ulceration, ulcerative › frambesial, initial
• Yaws › chancre
• Yaws › initial lesions
• Yaws › mother

Nearby codes

• A66 Yaws
• A66.0 Initial lesions of yaws (this code)
• A66.1 Multiple papillomata and wet crab yaws
• A66.2 Other early skin lesions of yaws
• A66.3 Hyperkeratosis of yaws
• A66.4 Gummata and ulcers of yaws
• A66.5 Gangosa