A66.0

Initial lesions of yaws

Billable / specific

A66.0 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

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

Includes (from A66)

  • diseases generally recognized as communicable or transmissible
  • bouba
  • frambesia (tropica)
  • pian

Excludes2

Not included here — may be reported together when both conditions exist.

  • carrier or suspected carrier of infectious disease (Z22.-) (from A66)
  • certain localized infections - see body system-related chapters (from A66)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) (from A66)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39) (from A66)
  • influenza and other acute respiratory infections (J00-J22) (from A66)
  • leptospirosis (A27.-) (from A66)
  • syphilis (A50-A53) (from A66)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify resistance to antimicrobial drugs (Z16.-) (from A66)

Also known as

  • Chancre of yaws
  • Frambesia, initial or primary
  • Initial frambesial ulcer
  • Mother yaw
  • Chancre, of yaws
  • Chancre, yaws
  • Frambesia, frambesial, initial lesion or ulcer
  • Frambesia, frambesial, primary
  • Lesion, primary, yaws
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative, frambesial, initial
  • Yaws, chancre
  • Yaws, initial lesions
  • Yaws, mother

Parent code

Related codes

  • A66.1Multiple papillomata and wet crab yawsBillable
  • A66.2Other early skin lesions of yawsBillable
  • A66.3Hyperkeratosis of yawsBillable
  • A66.4Gummata and ulcers of yawsBillable
  • A66.5GangosaBillable
  • A66.6Bone and joint lesions of yawsBillable
  • A66.7Other manifestations of yawsBillable
  • A66.8Latent yawsBillable
  • A66.9Yaws, unspecifiedBillable

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