|April 2006 · Vol. 18, No. 4
Luteal phase defect may warrant 2nd codeMelanie
RN, CPC-OGS, MA
Independent coding and documentation consultant; former program manager, Department of Coding and Nomenclature, American College of Obstetricians and Gynecologists
Q What is the diagnosis code for luteal phase defect?
A Use ICD-9-CM code 256.8 (other ovarian dysfunction) for this condition. The luteal phase refers to the span of time during the menstrual cycle between ovulation and onset of the next menses. Most women have a luteal phase of 10 to 14 days. If the luteal phase lasts less than 10 days or longer than 14 days, the patient may have a luteal phase defect.