ICD-10 Code H59.343 – Postprocedural hematoma of eye and adnexa following other procedure, bilateral (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H59.343 – Postprocedural hematoma of eye and adnexa following other procedure, bilateral
What it is
This code identifies a hematoma involving both eyes or surrounding adnexal tissues after a procedure. Use it when the postoperative bleeding collection is documented as bilateral and procedure-related.
Clinical signs
Typical findings include swelling, bruising, pain, or visible blood collection around both eyes after surgery or another procedure. Clinical features vary; refer to documentation.
When to use this code
Use H59.343 when the record clearly states a postprocedural hematoma affecting both eyes or adnexa after a non-specified procedure. This is appropriate when the provider links the hematoma to the procedure and documents laterality as bilateral.
If the note describes postoperative orbital or periorbital bleeding without a more specific code option, this code may fit. Check documentation for the exact site, timing, and causal procedure before assigning it.
Do not use for
Do not use this code for traumatic eye hematoma, spontaneous bleeding, or hematoma limited to one side. Check documentation if the record does not confirm a postprocedural cause.
Coding tip
Confirm both the postoperative relationship and bilateral involvement in the provider note before coding.