Follicular cyst of ovary, unspecified side

This code identifies a benign, fluid-filled sac that develops on the surface of an ovary, originating from a follicle that failed to rupture and release an egg. These cysts are typically asymptomatic and often resolve spontaneously within a few menstrual cycles.

Use this code when documentation specifies a follicular cyst of the ovary without indicating laterality (left or right). This is appropriate when the physician's notes do not specify the affected side or when the cyst is observed bilaterally but not individually identified by side.

• Avoid using this code if the documentation specifies the laterality of the follicular cyst; instead, use the more specific codes for left or right ovary.
• Do not use this code for other types of ovarian cysts, such as corpus luteum cysts or endometriomas.
• Ensure the documentation clearly states "follicular cyst" to support this diagnosis.