H72.0 – Central Tympanic Membrane Perforation
H72.0 is the ICD-10 code for central perforation of the tympanic membrane – a hole in the eardrum that does not reach its margin. It is commonly caused by ear infections or trauma and may result in hearing loss.
Things worth knowing about "H72.0"
H72.0 is the ICD-10 code for central perforation of the tympanic membrane – a hole in the eardrum that does not reach its margin. It is commonly caused by ear infections or trauma and may result in hearing loss.
What is H72.0?
The ICD-10 code H72.0 refers to a central perforation of the tympanic membrane – a hole or defect in the eardrum (membrana tympani) that is located in the central area and does not extend to the annular margin (fibrous ring). The tympanic membrane separates the outer ear canal from the middle ear and plays a key role in sound conduction.
Causes
A central tympanic membrane perforation can result from several causes:
- Otitis media (middle ear infection): The most common cause. Pressure from pus accumulation in the middle ear can cause the eardrum to rupture.
- Barotrauma: Sudden pressure changes, such as during diving, flying, or an explosion, can tear the eardrum.
- Direct trauma: Inserting objects into the ear canal (e.g., cotton swabs), a slap to the ear, or head injuries.
- Chronic otitis media: Persistent or recurring ear infections can cause long-term defects in the eardrum.
Symptoms
Symptoms depend on the size of the perforation and its underlying cause:
- Hearing loss (typically conductive hearing loss)
- Ear pain at the time of rupture
- Ear discharge (otorrhoea), especially with infection
- Tinnitus (ringing in the ears)
- Dizziness in less common cases
Diagnosis
Diagnosis is typically made by an ear, nose and throat (ENT) specialist through otoscopy – a direct visual examination of the eardrum using an otoscope. Additional tests may include:
- Audiometry: Hearing tests to assess the degree of hearing loss
- Tympanometry: Measurement of eardrum mobility and middle ear function
- CT imaging: Indicated when complications or extensive middle ear damage are suspected
Treatment
Many central tympanic membrane perforations heal on their own within a few weeks, particularly those caused by acute infection or barotrauma.
Conservative Treatment
- Keeping the ear dry (no swimming or submerging the ear)
- Antibiotic ear drops in case of infection
- Oral antibiotics for systemic infection
- Pain relief with analgesics
Surgical Treatment
If the perforation does not heal spontaneously or is large, surgical intervention may be required:
- Myringoplasty: Closure of the eardrum defect using a tissue graft (e.g., fascia)
- Tympanoplasty: More extensive reconstruction when there is additional middle ear damage
Prognosis
The prognosis for small and medium-sized perforations is generally favourable. Small defects often heal spontaneously. After successful surgery, significant restoration of hearing is usually achievable. However, chronic or untreated perforations may lead to permanent hearing loss or recurrent middle ear infections.
References
- Boenninghaus H.G., Lenarz T.: Ear, Nose and Throat Medicine, 14th edition, Springer Medizin Verlag, 2012.
- Bluestone C.D., Klein J.O.: Otitis Media in Infants and Children, 4th edition, BC Decker Inc., 2007.
- World Health Organization (WHO): ICD-10 Version 2019 – H72.0 Central perforation of tympanic membrane. Available at: https://icd.who.int/browse10/2019/en#/H72.0
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