Answer :
The ICD-10 code for unequal leg length of the left leg is M21.41. This coding is part of the International Classification of Diseases, 10th revision, used for health management and insurance purposes.
This code is used to designate limb length inequality of the lower extremities, specifically when the left leg is the shorter one. The ICD-10 (International Classification of Diseases, 10th revision) provides a comprehensive system for coding numerous health conditions and symptoms, which is critical for population health management and epidemiological studies, as well as for billing and health insurance purposes.