ICD-10-CM > N00-N99 > N80-N98 > N81 > N81.6 N81.6 Rectocele Billable/Specific Copy Code Copy Description Applicable To Prolapse of posterior vaginal wall Use Additional code for any associated fecal incontinence, if applicable (R15.-) Type 1 Excludes rectocele with prolapse of uterus (N81.2-N81.4) Type 2 Excludes perineocele (N81.81)rectal prolapse (K62.3)