D03.5Melanoma in situ of trunk

D03.5 is the ICD-10-CM diagnosis code for melanoma in situ of trunk. It belongs to category D03 (melanoma in situ), block D00-D09 (in situ neoplasms) and chapter 2 (neoplasms). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.

Within D03 (melanoma in situ), D03.5 is specifically for melanoma in situ of trunk. Related codes cover of lip (D03.0), of eyelid, including canthus (D03.1), of ear and external auricular canal (D03.2), of other and unspecified parts of face (D03.3), of scalp and neck (D03.4), of upper limb, including shoulder (D03.6), of lower limb, including hip (D03.7), of other sites (D03.8) and 1 more.

To report this condition, pick the subcode that matches the documentation: D03.51 (skin), D03.52 (tissue)) and D03.59 (trunk).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.