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ICD Hub / Neoplasms (C00–D49) / 2A00.22 - Choroid plexus tumours
ICD-11

ICD-11 Codes
for 2A00.22 - Choroid plexus tumours
Teodor Jurukovski January 1, 1970
Fact checked by: Teodor Jurukovski
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Understanding Choroid Plexus Tumours (ICD-11 Code 2A00.22)

Choroid plexus tumours, identified by the ICD-11 code 2A00.22, represent a category of neoplasms originating in the choroid plexus, a tissue within the brain's ventricles responsible for producing cerebrospinal fluid. These tumours can range from benign papillomas to malignant carcinomas and are often found in children. The ICD-11 classification for Choroid plexus tumours encompasses various subtypes, reflecting their diverse nature and potential impact on neurological function.

Recognizing the Signs of Choroid Plexus Tumours

The presentation of Choroid plexus tumours (ICD-11 code 2A00.22) is often linked to their location and the resulting increase in intracranial pressure due to cerebrospinal fluid obstruction. Common symptoms include headaches, nausea, and vomiting. Patients may also experience blurred or double vision, increased tiredness, irritability, and seizures. In infants, an enlarged head circumference or enlarged fontanelles (the soft spots on a baby's head) can be indicative. Other neurological signs such as abnormal eye movements, gait impairment, confusion, and in some cases, chronic cancer pain, may also be present.

Factors Contributing to Choroid Plexus Tumours

Choroid plexus tumours (ICD-11 code 2A00.22) are rare neoplasms. While the exact cause for many is not fully understood, they arise from abnormal cell growth within the choroid plexus. Choroid plexus carcinoma, a malignant form, develops when cells acquire DNA changes that promote rapid multiplication. These tumours can occur at any age, but are most frequently diagnosed in young children, particularly under two years old for carcinomas. Certain inherited genetic syndromes, such as Li-Fraumeni syndrome, have been associated with an increased risk of developing choroid plexus carcinoma. Benign papillomas of the choroid plexus may occur in the fourth ventricle in adults or the lateral ventricle in children.

Diagnosing and Managing Choroid Plexus Tumours

The diagnosis of Choroid plexus tumours (ICD-11 code 2A00.22) is typically based on a combination of clinical presentation and diagnostic imaging. Management strategies depend significantly on the tumour's type, size, location, and whether it is benign or malignant. Surgical removal of the tumour is a primary treatment approach. The overall prognosis and treatment plan are influenced by factors such as the extent of the tumour's spread and the patient's age and general health.

Alternative Names for Choroid Plexus Tumours

Choroid plexus tumours, classified under ICD-11 code 2A00.22, are known by several other terms in clinical practice. These include Choroid plexus papilloma (often referring to benign forms), Atypical choroid plexus papilloma, and Choroid plexus carcinoma (for malignant types). Other related terms found in medical literature and documentation may include papilloma of the choroid plexus, CPP, and anaplastic choroid plexus papilloma.

ICD-11 Coding for Choroid Plexus Tumours

For accurate medical billing and record-keeping, the ICD-11 code for Choroid plexus tumours is 2A00.22. This code serves as the official designation for these conditions. When documenting or reporting, healthcare professionals may use this ICD-11 code to specify the diagnosis. Related conditions, such as Choroid plexus carcinoma, are assigned different ICD-11 codes (e.g., XH3M77), and specific subtypes like Choroid plexus papilloma, NOS (XH0RF9) or Atypical choroid plexus papilloma (XH3Y57) also have distinct classifications within the broader category of neoplasms of the brain. Proper coding ensures precise data for statistical analysis and reimbursement.

Frequently asked questions

What is the ICD-11 classification for Choroid plexus tumours?
ICD-11 code 2A00.22 represents Choroid plexus tumours.
How can Choroid plexus tumours (ICD-11 code 2A00.22) be further specified?
ICD-11 code 2A00.22 can be specified by histopathology, including Choroid plexus papilloma, Atypical choroid plexus papilloma, and Choroid plexus carcinoma. It also allows for post-coordination to indicate laterality and specific anatomical sites.
What is the ICD-11 classification for Atypical papilloma of choroid plexus?
Atypical papilloma of choroid plexus is classified under ICD-11 code 2A00.22, which represents Choroid plexus tumours.
What anatomical details can be specified for Choroid plexus tumours using ICD-11 code 2A00.22?
ICD-11 code 2A00.22 allows for post-coordination to specify laterality (e.g., left, right, bilateral) and specific anatomical sites within the brain where the choroid plexus tumour is located.
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