W18.31 Fall on same level due to stepping on an objectNon-billable ICD-10-CM code.
W18.41 Slipping, tripping and stumbling without falling due to stepping on object ("slipping, tripping and stumbling with fall due to stepping on animal (W18.31)")W18.3 Other and unspecified fall on same levelW18.30 Fall on same level, unspecifiedW18.30XA Fall on same level, unspecified, initial encounterW18.30XD Fall on same level, unspecified, subsequent encounterW18.30XS Fall on same level, unspecified, sequelaW18.31 Fall on same level due to stepping on an object (this code)W18.31XA Fall on same level due to stepping on an object, initial encounterW18.31XD Fall on same level due to stepping on an object, subsequent encounterW18.31XS Fall on same level due to stepping on an object, sequelaW18.39 Other fall on same levelW18.39XA Other fall on same level, initial encounter