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ICD Hub / Diseases of the visual system (H00–H59) / 9A02.0 - Chalazion
ICD-11

ICD-11 Codes
for 9A02.0 - Chalazion
Teodor Jurukovski January 1, 1970
Fact checked by: Teodor Jurukovski
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Understanding Chalazion: A Medical Overview

Chalazion, identified by ICD-11 code 9A02.0, is a common inflammatory lesion of the eyelid. It is characterised as a sterile, lipogranulomatous inflammation or a chronic cyst that arises from the blockage and subsequent inflammation of a meibomian gland. These glands, located within the eyelid's tarsal plate, are responsible for producing the oily layer of the tear film. When a meibomian gland duct becomes obstructed, it can lead to the formation of a chalazion, which is typically a slowly enlarging nodule.

Recognising the Signs of Chalazion

Chalazion typically presents as a noticeable lump or swelling on the eyelid, often appearing in the middle of the upper or lower eyelid. These lesions usually develop gradually over several weeks and are generally painless. While a chalazion itself is not a true cyst, it can manifest as a small, firm nodule. If multiple chalazia are present, the term used is chalazia.

What Causes Chalazion?

The primary cause of a chalazion is the obstruction of a meibomian gland duct. This blockage leads to a build-up of secretions and subsequent chronic inflammation within the gland. While the exact triggers for meibomian gland dysfunction are varied, factors contributing to this obstruction can include blepharitis and other inflammatory conditions affecting the eyelid margin.

Managing Chalazion: Treatment Approaches

Management of chalazion often begins with conservative measures. These can include the application of warm compresses to the affected eyelid multiple times daily, gentle eyelid massage, and lid scrubs. In some cases, mild topical steroids may be prescribed. If conservative treatments are ineffective, surgical intervention, such as incision and curettage, may be considered. Various therapeutic agents, including anti-inflammatory and anti-infective agents, have been explored in clinical trials for managing chalazion.

Alternative Names for Chalazion

Chalazion is known by several other clinical terms, including: * Meibomian cyst * Meibomian gland lipogranuloma * Tarsal cyst * Chalazion, unspecified

When to Consult a Healthcare Professional

If you notice a persistent lump or swelling on your eyelid, it is advisable to seek medical attention. A healthcare professional can provide an accurate diagnosis, differentiate between conditions like chalazion and hordeolum (stye), and recommend the most appropriate treatment plan. Early consultation ensures proper management and can help prevent complications.

Documentation and Coding for Chalazion

The official ICD-11 code for Chalazion is 9A02.0. This code falls under the broader category of Inflammatory disorders of the eyelid (9A02). Specific sub-codes are available for more precise documentation, including Chalazion externum (9A02.00) and Chalazion internum (9A02.01), as well as Chalazion, unspecified (9A02.0Z). When documenting, it is important to use the exact ICD-11 code 9A02.0 for accurate classification and reporting. Post-coordination with laterality (e.g., left, right, bilateral) and specific anatomical sites of the eyelid can further refine the coding.

Frequently asked questions

What is the ICD-11 classification meaning of code 9A02.0?
ICD-11 code 9A02.0 represents Chalazion, a condition classified under disorders of the eyelid. It is described as a chronic sterile lipogranuloma of the eyelid.
What are the specific ICD-11 sub-categories for Chalazion under code 9A02.0?
ICD-11 code 9A02.0 for Chalazion includes sub-categories: 9A02.00 for Chalazion externum, 9A02.01 for Chalazion internum, and 9A02.0Z for Chalazion, unspecified.
How can ICD-11 code 9A02.0 for Chalazion be post-coordinated?
ICD-11 code 9A02.0 for Chalazion can be post-coordinated with codes for Laterality, such as XK9J (Bilateral), XK8G (Left), XK9K (Right), or XK70 (Unilateral, unspecified). It can also be post-coordinated with codes for Specific anatomy, such as XA3RB1 (Eyelids), XA9K79 (Upper eyelid), or XA0403 (Lower eyelid).
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