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ICD-10-CM Code A66.6
Bone and joint lesions of yaws

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

A66.6 is a billable ICD code used to specify a diagnosis of bone and joint lesions of yaws. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code A66 is used to code Simple Yaws

yaws (also known as frambesia tropica, thymosis, polypapilloma tropicum, parangi, bouba, frambösie, and pian) is a tropical infection of the skin, bones and joints caused by the spirochete bacterium treponema pallidum pertenue. the disease begins with a round, hard swelling of the skin, 2 to 5 centimeters in diameter. the center may break open and form an ulcer. this initial skin lesion typically heals after three to six months. after weeks to years, joints and bones may become painful, fatigue may develop, and new skin lesions may appear. the skin of the palms of the hands and the soles of the feet may become thick and break open. the bones (especially those of the nose) may become misshapen. after five years or more large areas of skin death with subsequent scarring may occur.

ICD 9 Code: 102

Nodules on the elbow resulting from a Treponema pallidum pertenue bacterial infection

Source: Wikipedia

Coding Notes for A66.6 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Yaws ganglion
Yaws goundou
Yaws gumma, bone
Yaws gummatous osteitis or periostitis
Yaws hydrarthrosis
Yaws osteitis
Yaws periostitis (hypertrophic)

MS-DRG Mapping

  • DRG Group #548-550 - Septic arthritis with MCC.
  • DRG Group #548-550 - Septic arthritis with CC.
  • DRG Group #548-550 - Septic arthritis without CC or MCC.


Bone and joint lesions due to yaws (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 102.6 was previously used, A66.6 is the appropriate modern ICD10 code.

Parent Code: A66 - Yaws

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/A666