N83.1Non-Billable (Header)Corpus luteum cystChild CodesN83.10Corpus luteum cyst of ovary, unspecified sideN83.11Corpus luteum cyst of right ovaryN83.12Corpus luteum cyst of left ovaryCode Hierarchy└N83Noninflammatory disorders of ovary, fallopian tube and broad ligament└N83.1Corpus luteum cyst└N83.1Corpus luteum cyst