- Physical Examination
- Surgical Examination
- Ophthalmology
- Clinical Skills
- Orthopedics
- Surgery Videos
- Laparoscopy
- Pediatrics
- Funny Videos
- Cardiothoracic Surgery
- Nursing Videos
- Plastic Surgery
- Otorhinolaryngology
- Histology and Histopathology
- Neurosurgery
- Dermatology
- Pediatric Surgery
- Urology
- Dentistry
- Oncology and Cancers
- Anatomy Videos
- Health and Fitness
- Radiology
- Anaesthesia
- Physical Therapy
- Pharmacology
- Interventional Radiology
- Cardiology
- Endocrinology
- Gynecology
- Emergency Medicine
- Psychiatry and Psychology
- Childbirth Videos
- General Medical Videos
- Nephrology
- Physiology
- Diet and Food Health
- Diabetes Mellitus
- Neurology
- Women Health
- Osteoporosis
- Gastroenterology
- Pulmonology
- Hematology
- Rheumatology
- Toxicology
- Nuclear Medicine
- Infectious Diseases
- Vascular Disease
- Reproductive Health
- Burns and Wound Healing
- Kidney Zone Podcast
- Other
H66.93 — Otitis media, unspecified, bilateral
H66.93
What this code means
Otitis media affecting both middle ears.
Also called: bilateral otitis media.
When this code is used
Used for otitis media, unspecified, bilateral.
Where it sits in ICD-10-CM
Code H66.93 belongs to Chapter 8: Diseases of the ear and mastoid process, which covers codes H60–H95 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related anatomy
Frequently asked questions
What is ICD-10-CM code H66.93?
H66.93 is the ICD-10-CM diagnosis code for “Otitis media, unspecified, bilateral”. Otitis media affecting both middle ears.
When is code H66.93 used?
Used for otitis media, unspecified, bilateral. It belongs to Chapter 8 of ICD-10-CM (Diseases of the ear and mastoid process).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.