Discover free eBooks, guides and med spa templates on our new resources page

Book a demo
☰
Why us
ICD Hub / Diseases of the ear or mastoid process (H60–H95) / AA40.1 - Acquired stenosis of external auditory canal
ICD-11

ICD-11 Codes
for AA40.1 - Acquired stenosis of external auditory canal
Teodor Jurukovski January 1, 1970
Fact checked by: Teodor Jurukovski
Use Code

Understanding Different Names for Narrowed Ear Canals

Acquired stenosis of the external auditory canal may also be referred to by terms such as external auditory canal narrowing or a narrowed ear canal. These descriptions highlight the primary characteristic of the condition: a reduction in the normal width of the ear canal that develops after birth.

Factors Leading to Acquired Ear Canal Narrowing

The development of acquired stenosis of the external auditory canal can stem from various factors. Common causes include persistent infections or inflammation within the ear canal, as well as trauma. This trauma can be accidental, such as from injury, or iatrogenic, resulting from medical procedures or treatments. Understanding these risk factors is crucial for prevention and management.

What is Acquired Stenosis of the External Auditory Canal?

Acquired stenosis of the external auditory canal, identified by the ICD-11 code AA40.1, refers to a pathological narrowing of the external auditory canal that occurs after birth. This condition affects the passage through which sound travels from the outside to the eardrum. Unlike congenital conditions, this narrowing develops over time due to external influences.

Recognising the Signs of a Narrowed Ear Canal

Patients experiencing acquired stenosis of the external auditory canal may present with several symptoms. The narrowing itself can lead to conductive hearing loss. Other common presentations include recurrent ear infections (otitis externa) and persistent ear discharge (otorrhea). In some cases, the condition can also contribute to the development of ear canal cholesteatoma.

Diagnosing External Auditory Canal Stenosis

The diagnosis of acquired stenosis of the external auditory canal typically involves a thorough clinical examination. Healthcare professionals will often use an otoscope to visualise the ear canal and assess the degree of narrowing. This direct visualisation helps to identify the extent of the stenosis and any associated conditions, such as inflammation or discharge.

Coding Acquired Stenosis of the External Auditory Canal

For accurate medical record-keeping and billing, the ICD-11 code AA40.1 is used for acquired stenosis of the external auditory canal. This specific code ensures precise documentation of the condition. When coding, healthcare providers should use the official condition name, 'Acquired stenosis of external auditory canal', and consider related terms like 'external auditory canal narrowing' for comprehensive patient records. This ICD-11 code for acquired stenosis of the external auditory canal is essential for tracking and reporting purposes.

Frequently asked questions

What is the ICD-11 classification meaning of AA40.1?
AA40.1 is the ICD-11 code for Acquired stenosis of external auditory canal.
How does ICD-11 categorize acquired conditions of the external auditory canal?
ICD-11 categorizes acquired conditions of the external auditory canal under AA40, Acquired deformity of external auditory canal, which includes specific codes like AA40.1 for Acquired stenosis, AA40.0 for Exostosis, and AA40.2 for Cholesteatoma, as well as unspecified codes like AA40.Z.
Can additional detail be added to ICD-11 code AA40.1 through post-coordination?
Yes, post-coordination in ICD-11 allows for the addition of detail to codes like AA40.1 by forming a cluster code using stem and/or extension codes.
×