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Dilation Hymen to No Qualifier with Intraluminal Device, External Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | U Female Reproductive System |
| Operation | 7 Dilation |
| Body Part | K Hymen |
| Approach | X External |
| Device | D Intraluminal Device |
| Qualifier | Z No Qualifier |
Operation Definition
Expanding an orifice or the lumen of a tubular body part
Procedure Overview
Dilation procedures widen the cervix or another opening within the female reproductive tract to allow instruments to pass, fluid to drain, or the natural anatomy to function normally again. Cervical dilation is the most familiar example, performed to open the cervical canal before a dilation and curettage, before placement of an intrauterine device, or to relieve cervical stenosis that is causing painful or obstructed menstrual flow.
The procedure can be done mechanically, using graduated dilator rods of increasing size, or with medication such as misoprostol or a laminaria stick that gradually softens and opens the cervix over several hours. Dilation is often a preparatory step that enables a subsequent procedure rather than a treatment on its own, though in cases of cervical stenosis or scarring it can directly relieve a patient's symptoms by restoring normal passage.
Anatomy & Axis Detail
Hymen
The hymen is the membranous tissue partially covering the vaginal opening, and dilation refers to stretching or widening this tissue to enlarge the vaginal introitus, most relevant in cases of a rigid or imperforate hymen causing outflow obstruction or in patients where a naturally narrow opening limits vaginal access for examination or intercourse. The procedure is generally performed with graduated dilators applied gradually rather than by incision, distinguishing it from hymenotomy, which cuts the tissue to create an opening. Because hymenal tissue is thin and closely associated with the vaginal introitus and adjacent urethral structures, the degree of stretch applied is limited to avoid tearing. This code applies specifically when the existing hymenal opening is widened rather than surgically incised or excised.
Approach: External
External approach applies to procedures performed directly on the skin or mucous membrane, or on an accessible body surface, without any instrumentation passing through a puncture or orifice. It covers things like manual reduction of a fracture or excision of a skin lesion. It differs from Via Natural or Artificial Opening in that no internal passage is entered at all, only the exposed surface.
Device: Intraluminal Device
Intraluminal Device denotes a single device, such as a stent or occlusion device, positioned within the lumen of a tubular body part like a vessel, duct, or airway to maintain patency or occlude flow. It carries no drug coating or radioactivity, distinguishing it from the drug-eluting, radioactive, and bioactive intraluminal device values, and from Extraluminal Device, which sits outside rather than inside the lumen.
Coding & Documentation
The operative or procedure note should explicitly describe widening of the cervical canal or another tubular opening, typically stating the size or degree of dilation achieved and the method used. When dilation is performed solely to gain access for another procedure, such as curettage or hysteroscopy, coding guidelines generally consider it a component of that other procedure rather than a separately reportable code, and coders should check whether the two are bundled under the same operative episode. A frequent error is coding Dilation as a standalone procedure when it was clearly incidental to a more definitive intervention performed immediately afterward in the same session.