Unspecified reduction defect of lower limb, bilateral

This code signifies a congenital anomaly characterized by an unspecified underdevelopment or absence of a portion of both lower limbs. It indicates a birth defect affecting the leg, ankle, or foot on both sides, where the specific type of reduction defect is not documented.

Apply this code when documentation clearly states a bilateral lower limb reduction defect but lacks specificity regarding the exact nature of the defect (e.g., transverse, longitudinal, phocomelia). This code is appropriate when the physician's notes indicate "bilateral lower limb reduction defect, type unspecified" or similar phrasing.

• Avoid using this code if a more specific bilateral lower limb reduction defect code is available (e.g., Q72.12, Q72.32).
• Ensure documentation explicitly states "bilateral" involvement; otherwise, a unilateral code may be more appropriate.
• Query the provider for further specificity if possible to allow for more precise coding.