BU001ZZ
Plain Radiography Fallopian Tube, Right to None with None, Low Osmolar Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | B Imaging |
| Body System | U Female Reproductive System |
| Operation | 0 Plain Radiography |
| Body Part | 0 Fallopian Tube, Right |
| Approach | 1 Low Osmolar |
| Device | Z None |
| Qualifier | Z None |
Operation Definition
Planar display of an image developed from the capture of external ionizing radiation on photographic or photoconductive plate
Procedure Overview
Plain radiography of the female reproductive system uses a brief burst of external X-rays captured on a plate to create a flat, two-dimensional image of pelvic structures. It has largely been supplanted by ultrasound and MRI for evaluating the uterus and ovaries directly, but a plain film is still used in specific situations, such as locating a retained intrauterine device, assessing pelvic bony anatomy alongside soft tissue, or as part of a hysterosalpingogram sequence.
The test is fast and produces a single static image rather than a moving or layered view, so it works best for questions with a clear anatomic answer - is a device present, has an object migrated, are there calcifications - rather than for characterizing soft-tissue masses. Because it uses ionizing radiation, it is avoided during pregnancy unless clinically necessary.
Anatomy & Axis Detail
Fallopian Tube, Right
The right fallopian tube is a slender muscular conduit running from the uterine cornu toward the ovary, responsible for ovum transport and fertilization, and it contains no calcium and little soft-tissue contrast against surrounding bowel and pelvic fat. A plain film without contrast rarely delineates the tube itself; it is used mainly to screen for radiopaque foreign bodies such as a retained surgical clip, a misplaced intrauterine device abutting the cornua, or dystrophic calcification from a prior tubal ligation or ectopic pregnancy. Because the tube cannot be traced on a scout film, documentation should specify that the study is a survey radiograph rather than a contrast tubal study, distinguishing it from the fluoroscopic hysterosalpingogram that actually demonstrates tubal course and patency.
Contrast: Low Osmolar
Low Osmolar denotes use of a low-osmolar iodinated contrast agent during an imaging study, the class most commonly used in modern radiographic and CT imaging because it better approximates the osmolality of blood and carries a lower risk of reaction than High Osmolar media. This value distinguishes studies performed with this now-standard contrast type from those using older high-osmolar agents or no contrast at all.
Coding & Documentation
Coders assign this family based on documentation that a static X-ray image, not a real-time or contrast-enhanced fluoroscopic series, was obtained, and that the field of view included female reproductive structures specifically. A common error is coding a hysterosalpingogram here when the procedure actually involved continuous fluoroscopic contrast imaging, which belongs in the fluoroscopy family instead. The report should also specify whether contrast material was used, since plain radiography by definition does not include contrast administration.
Commonly Confused With
The closest point of confusion is fluoroscopy of the female reproductive system, particularly hysterosalpingography, which looks similar in intent (imaging the uterus and tubes) but uses continuous real-time X-ray with contrast rather than a single static exposure. Ultrasonography and MRI of the same body system are also often ordered for overlapping indications but rely on sound waves or magnetic fields instead of ionizing radiation, and typically offer superior soft-tissue detail.