Transcobalamin II deficiency is a rare inherited disorder characterized by impaired transport of vitamin B12 due to a deficiency of transcobalamin II, a protein essential for cellular uptake of vitamin B12. This condition can lead to megaloblastic anemia and neurological complications. Accurate coding with ICD-10 Code D51.2 is crucial for proper diagnosis, documentation, medical billing, and public health reporting, ensuring that affected individuals receive appropriate care and resources.
ICD-10 Code D51.2 represents Transcobalamin II deficiency, a genetic disorder that results in the inability to transport vitamin B12 effectively. This deficiency can lead to significant hematological and neurological issues. The code should be used in clinical documentation and billing when diagnosing patients with this condition, ensuring that healthcare providers can accurately capture the complexity of the disease and its management.
Transcobalamin II deficiency is caused by mutations in the TCN2 gene, leading to a lack of transcobalamin II protein. This deficiency impairs the transport of vitamin B12, resulting in megaloblastic anemia and potential neurological deficits. Prompt medical attention is necessary to manage symptoms and prevent complications.
ICD-10 Code D51.2 is utilized in SOAP notes to document the clinical presentation, assessment, and treatment of patients with Transcobalamin II deficiency. This code aids in capturing the patient's symptoms, guiding clinical decision-making, and ensuring appropriate billing in both acute and chronic care settings.
In SOAP notes, ICD-10 Code D51.2 connects subjective patient-reported symptoms and objective clinical findings to a formal diagnosis of Transcobalamin II deficiency. This code is essential for ensuring continuity of care, supporting accurate billing, and meeting EHR documentation standards.
Transcobalamin II deficiency requires urgent medical intervention to manage vitamin B12 deficiency and its complications. Treatment typically involves vitamin B12 supplementation and supportive care.


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Learn moreICD-10 Code D51.2 is critical for billing purposes in hospital, ER, or infectious disease care settings, ensuring accurate reimbursement for services rendered.
| CPT Code | Description |
|---|---|
| 36415 | Collection of venous blood by venipuncture. |
| 85025 | Complete blood count (CBC) with automated differential. |
| 96372 | Therapeutic, prophylactic, or diagnostic injection. |
Common Questions About Using ICD-10 Code D51.2 for Transcobalamin II deficiency
What are the common symptoms of Transcobalamin II deficiency?
Common symptoms include fatigue, weakness, neurological issues such as numbness or tingling, and megaloblastic anemia. Early diagnosis and treatment are crucial to prevent complications.
How is Transcobalamin II deficiency diagnosed?
Diagnosis typically involves blood tests to measure vitamin B12 levels, complete blood count, and genetic testing to confirm transcobalamin II deficiency.
What is the treatment for Transcobalamin II deficiency?
Treatment primarily involves vitamin B12 supplementation, either through injections or high-dose oral forms, along with regular monitoring of hematological parameters.
Is Transcobalamin II deficiency hereditary?
Yes, Transcobalamin II deficiency is an inherited condition caused by mutations in the TCN2 gene, and it can be passed down through families.
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