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ICD Hub / Developmental anomalies (Q00–Q99) / LA02.02 - Myelocystocele
ICD-11

ICD-11 Codes
for LA02.02 - Myelocystocele
Teodor Jurukovski January 1, 1970
Fact checked by: Teodor Jurukovski
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Clinical Overview of Myelocystocele (LA02.02)

Myelocystocele, identified by ICD-11 code LA02.02, is a rare congenital condition classified as a closed neural tube defect. It arises from an incomplete closure of the neural tube during fetal development. The condition is characterised by a cystic dilation of the spinal cord's central canal, which protrudes through a defect in the posterior vertebral arch (spina bifida). This protrusion occurs within an enlarged, cerebrospinal fluid–filled dural sac, known as a meningocele. Myelocystocele can manifest as either a terminal myelocystocele, located at the caudal end of the spinal cord, or a non-terminal myelocystocele, situated above the conus medullaris.

Causes and Risk Factors for Myelocystocele

The primary cause of myelocystocele (ICD-11 code LA02.02) is the failure of the neural tube to close completely during the early stages of embryonic development. While the exact triggers are not always identified, genetic and environmental factors are believed to play a role. Insufficient intake of folic acid by the mother during pregnancy is a known risk factor for neural tube defects in general, and may contribute to the development of myelocystocele.

Diagnostic Approaches for Myelocystocele

The diagnosis of myelocystocele (ICD-11 code LA02.02) typically involves a combination of prenatal and postnatal assessments. Prenatal screening may include ultrasound examinations that can detect abnormalities in the fetal spine. Following birth, a physical examination will assess for any visible spinal defects. Advanced imaging techniques, such as Magnetic Resonance Imaging (MRI) of the spine, are crucial for confirming the diagnosis, visualising the extent of the defect, and identifying any associated abnormalities. Myelocystocele, the condition coded as LA02.02 in the ICD-11 classification, is also referred to by several other terms. These include spinal dysraphism, specifically a type of closed spinal dysraphism. It may also be described in relation to its location, such as terminal myelocystocele or non-terminal myelocystocele. In some contexts, it might be discussed alongside related conditions like spina bifida cystica.

Treatment and Management of Myelocystocele

Management of myelocystocele (ICD-11 code LA02.02) is tailored to the individual patient's condition and may involve surgical intervention. Surgical repair aims to close the spinal defect and address any herniated structures, often performed in infancy. The goal is to prevent infection, further neurological damage, and manage associated complications. Long-term care may include ongoing monitoring for neurological function, management of potential impairments, and supportive therapies.

When to Seek Medical Advice for Myelocystocele

Parents or caregivers should seek immediate medical advice if a spinal abnormality is detected during pregnancy or at birth. Any visible skin-covered mass along the spine, particularly in newborns, warrants prompt evaluation. Early diagnosis and intervention for myelocystocele (ICD-11 code LA02.02) are critical for optimising outcomes and managing potential long-term health challenges.

Frequently asked questions

What is the ICD-11 classification for Myelocystocele?
Myelocystocele is classified under ICD-11 code LA02.02, which is a specific category within LA02 Spina bifida cystica.
How does ICD-11 categorize Myelocystocele in relation to other neural tube defects?
ICD-11 classifies Myelocystocele under LA02.02, as a specific type of Spina bifida cystica, which is a broader category of neural tube defects.
What is the primary classification meaning of ICD-11 code LA02.02?
ICD-11 code LA02.02 denotes Myelocystocele, a condition characterized by a cystic dilatation of the spinal cord's central canal that herniates through a posterior vertebral arch defect.
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