ICD-10 Code H68.122 – Intrinsic cartilagenous obstruction of Eustachian tube, left ear (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H68.122 – Intrinsic cartilagenous obstruction of Eustachian tube, left ear
What it is
This code identifies a blockage within the cartilaginous portion of the left Eustachian tube. It refers to a structural obstruction on the left side, not a generalized ear disorder.
Clinical signs
Clinical features vary; refer to documentation. Commonly documented findings may include left-sided ear fullness, pressure, or impaired middle-ear ventilation consistent with Eustachian tube obstruction.
When to use this code
Use H68.122 when the provider documents intrinsic cartilagenous obstruction involving the left Eustachian tube. Code it when the record clearly specifies the left ear and the cartilaginous portion, not a nonspecific dysfunction.
Choose this code for confirmed anatomic obstruction described in the assessment, procedure note, or specialist report. Check documentation if the note only mentions ear pain, congestion, or otitis media without stating obstruction.
Do not use for
Do not use this code for unspecified Eustachian tube dysfunction, right-sided disease, or middle-ear conditions without documented obstruction. Check documentation when the anatomic site is unclear.
Coding tip
Verify laterality and the exact wording “intrinsic cartilagenous obstruction” before assigning H68.122.