G71.0340

HCC Category Mapping

What This Code Means

A genetic muscle weakness disorder affecting the hip and shoulder muscles caused by sarcoglycan protein dysfunction, but the specific type of sarcoglycan affected is not specified.

Coding Tips

• •Use this code only when sarcoglycan dysfunction is confirmed but the specific subtype cannot be determined
• •Encourage providers to obtain genetic testing to identify the specific sarcoglycan type for more precise coding

Clinical Significance

Limb girdle muscular dystrophy due to sarcoglycan dysfunction, unspecified represents a group of autosomal recessive muscular dystrophies caused by deficiency of sarcoglycan proteins, which form part of the dystrophin-associated glycoprotein complex. These sarcoglycanopathies can be clinically severe, sometimes mimicking Duchenne muscular dystrophy. Proper coding supports genetic subtyping efforts and treatment planning.

Documentation Requirements

• ✓Muscle biopsy or genetic testing confirming sarcoglycan protein deficiency
• ✓Clinical presentation: progressive proximal weakness, elevated creatine kinase
• ✓Documentation that the specific sarcoglycan subtype (alpha, beta, gamma, delta) could not be determined
• ✓Cardiac evaluation results (sarcoglycanopathies can cause cardiomyopathy)
• ✓Functional status and disease progression
• ✓Provider's explicit diagnosis of sarcoglycan-related limb girdle muscular dystrophy

Commonly Confused Codes