D81.810
Biotinidase deficiency
Clinical Classification Guidelines
Medical Intelligence & Overview
Biotinidase deficiency is a rare inherited disorder that affects the body's ability to recycle biotin, a crucial B-vitamin. Without enough biotin, essential bodily functions such as energy production and healthy skin are compromised. Although genetic in origin, early diagnosis and treatment can significantly improve quality of life and prevent severe complications. This condition falls under the ICD-10 code D81.810 and is part of a group of metabolic disorders that require medical attention for optimal management.
Causes & Symptoms
Clinical Causes: Genetic mutations: Biotinidase deficiency is caused by mutations in the BTD gene, inherited in an autosomal recessive pattern.
Key Symptoms: Skin issues such as dermatitis, skin rash, or seborrheic dermatitis Hair loss or hair thinning Developmental delays in infants and children Seizures or neurological problems Muscle weakness or hypotonia Ataxia or problems with coordination and balance Hearing loss Vision problems Behavioral changes, irritability, or lethargy, especially in infants
Diagnostic & Treatment
Diagnosis Path: Diagnosis typically involves a combination of newborn screening tests, clinical evaluation, and laboratory assessments. The initial screening is often part of the neonatal blood spot screening programs, which can detect low biotinidase enzyme activity. Confirmatory testing includes specific enzyme activity assays and molecular genetic testing of the BTD gene to identify mutations. Early diagnosis through newborn screening is crucial for preventing severe neurological and dermatological symptoms.
Treatment Protocols: The main treatment for biotinidase deficiency is daily supplementation with biotin, which can effectively prevent or reduce symptoms if started early. The dosage is tailored according to age and severity of the deficiency. Regular follow-up with healthcare providers is essential to monitor treatment response and adjust doses as needed. Dietary modifications are generally not required, but consistent supplementation helps maintain adequate biotin levels. Early intervention with biotin therapy can prevent neurological damage, skin problems, and developmental delays associated with the condition.
Clinical Advice & FAQs
Billing Guidance
Is D81.810 a billable ICD-10 code?
Yes, D81.810 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report D81.810?
Clinical documentation must specify the nature of Biotinidase deficiency and any associated comorbidities for accurate reporting.
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