Endometrial biopsy

Endometrial biopsy
Micrograph showing an endometrial biopsy with simple endometrial hyperplasia, where the gland-to-stroma ratio is preserved but the glands have an irregular shape and/or are dilated. H&E stain.
ICD-10-PCS	0UDB
ICD-9-CM	68.13, 68.16
MedlinePlus	003917

The endometrial biopsy is a medical procedure that involves taking a tissue sample of the lining of the uterus. The tissue subsequently undergoes a histologic evaluation which aids the physician in forming a diagnosis.^{[citation needed]}