DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

A66 Yaws

  • Header · not billable

A66 is not billable. The category heads 10 billable codes in FY2027: the 10 codes directly below it.

Index → code

Where it sits

  1. Chapter 1 Certain infectious and parasitic diseases (A00-B99)
  2. A65-A69 Other spirochetal diseases (A65-A69)
  3. A66 Yaws
Billable codes
10
Subdivisions
10
CC / MCC codes
0 / 0
HCC V28 codes
1
New FY2027
0
Index entries
66

Codes in A66

  1. A66.0
    Initial lesions of yaws
    Billable
    Inclusion terms 4

    Inclusion terms

    • Chancre of yaws
    • Frambesia, initial or primary
    • Initial frambesial ulcer
    • Mother yaw
  2. A66.1
    Multiple papillomata and wet crab yaws
    Billable
    Inclusion terms 3

    Inclusion terms

    • Frambesioma
    • Pianoma
    • Plantar or palmar papilloma of yaws
  3. A66.2
    Other early skin lesions of yaws
    Billable
    Inclusion terms 3

    Inclusion terms

    • Cutaneous yaws, less than five years after infection
    • Early yaws (cutaneous)(macular)(maculopapular)(micropapular)(papular)
    • Frambeside of early yaws
  4. A66.3
    Hyperkeratosis of yaws
    Billable
    Inclusion terms 3

    Inclusion terms

    • Ghoul hand
    • Hyperkeratosis, palmar or plantar (early) (late) due to yaws
    • Worm-eaten soles
  5. A66.4
    Gummata and ulcers of yaws
    Billable
    Inclusion terms 2

    Inclusion terms

    • Gummatous frambeside
    • Nodular late yaws (ulcerated)
  6. A66.5
    Gangosa
    Billable
    Inclusion terms 1

    Inclusion terms

    • Rhinopharyngitis mutilans
  7. A66.6
    Bone and joint lesions of yaws
    Billable92
    Inclusion terms 7

    Inclusion terms

    • Yaws ganglion
    • Yaws goundou
    • Yaws gumma, bone
    • Yaws gummatous osteitis or periostitis
    • Yaws hydrarthrosis
    • Yaws osteitis
    • Yaws periostitis (hypertrophic)
  8. A66.7
    Other manifestations of yaws
    Billable
    Inclusion terms 2

    Inclusion terms

    • Juxta-articular nodules of yaws
    • Mucosal yaws
  9. A66.8
    Latent yaws
    Billable
    Inclusion terms 1

    Inclusion terms

    • Yaws without clinical manifestations, with positive serology
  10. A66.9
    Yaws, unspecified
    Billable

Sources of each column.

Instructions

At A66

Includes

  • bouba
  • frambesia (tropica)
  • pian

Notes that also apply

Block A65-A69 instructions (Excludes2 2): printed on the block page.

Chapter 1 instructions (Includes 1, Excludes2 5, Use additional code 1): printed on the chapter 1 page.

Index entries

  • Mother yaw → A66.0
  • Frambesioma → A66.1
  • Papillomata, multiple, of yaws → A66.1
  • Pianoma → A66.1
  • Ghoul hand → A66.3
  • Worm-eaten soles → A66.3
  • Gangosa → A66.5
  • Goundou → A66.6
  • Henpue, henpuye → A66.6
  • Yaws → A66.9
  • Chancre (any genital site) (hard) (hunterian) (mixed) (primary) (seronegative) (seropositive) (syphilitic)yaws → A66.0
  • Frambesia, frambesial (tropica)initial lesion or ulcer → A66.0
  • Frambesia, frambesial (tropica)primary → A66.0
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerativeframbesial, initial → A66.0
  • Yawschancre → A66.0
  • Yawsinitial lesions → A66.0
  • Yawsmother → A66.0
  • Papillomayaws, plantar or palmar → A66.1
  • Yawsbutter → A66.1
  • Yawsmultiple papillomata → A66.1
  • Yawspapilloma, plantar or palmar → A66.1
  • Yawswet crab → A66.1
  • Frambesideof early yaws → A66.2
  • Yawscutaneous, less than five years after infection → A66.2
  • Yawsearly (cutaneous) (macular) (maculopapular) (micropapular) (papular) → A66.2
  • Yawseyelid → A66.2
  • Hyperkeratosisdue to yaws (early) (late) (palmar or plantar) → A66.3
  • Yawshyperkeratosis (early) (late) → A66.3
  • Frambesidegummatous → A66.4
  • Granulomatropicum → A66.4
  • Gumma (syphilitic)ulcerative due to yaws → A66.4
  • Gumma (syphilitic)yaws → A66.4
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerativegumma, due to yaws → A66.4
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerativeyaws → A66.4
  • Yawsgumma, gummata → A66.4
  • Yawslate nodular (ulcerated) → A66.4
  • Yawsnodular, late (ulcerated) → A66.4
  • Yawsulcers → A66.4
  • Rhinopharyngitis (acute) (subacute)destructive ulcerating → A66.5
  • Rhinopharyngitis (acute) (subacute)mutilans → A66.5

26 more, longer entries are not listed; the search box finds them by word.

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