Posterior dislocation of lens, unspecified eye

This code signifies a condition where the crystalline lens of the eye has dislocated posteriorly, meaning it has moved backward into the vitreous cavity. This displacement can be partial (subluxation) or complete (luxation), and in this specific instance, the affected eye is not specified.

Use this code when documentation clearly indicates a posterior displacement of the ocular lens without specifying laterality (e.g., "posterior lens dislocation, eye not documented"). This typically occurs following trauma, connective tissue disorders, or as a complication of intraocular surgery. Supporting documentation would include ophthalmological exam findings noting the lens position.

• Ensure the documentation explicitly states "posterior" dislocation; anterior dislocations are coded differently.
• Avoid using this code if the laterality (right or left eye) is specified; use the more specific codes H27.131 or H27.132.
• Consider sequencing this code with an external cause code if the dislocation is due to trauma.