L98: Other disorders of skin and subcutaneous tissue, not elsewhere classified
L98.4: Non-pressure chronic ulcer of skin, not elsewhere classified

inclusionTerm
Chronic ulcer of skin NOS
Tropical ulcer NOS
Ulcer of skin NOS

excludes2
pressure ulcer (pressure area) (L89.-)
gangrene (I96)
skin infections (L00-L08)
specific infections classified to A00-B99
ulcer of lower limb NEC (L97.-)
varicose ulcer (I83.0-I83.93)
L98.41: Non-pressure chronic ulcer of buttock
L98.42: Non-pressure chronic ulcer of back
L98.49: Non-pressure chronic ulcer of skin of other sites

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