In simple words: This code means the child was born with an underdeveloped or missing radius bone in their forearm. This results in a hand that is bent or deformed, sometimes called a clubhand.

Q71.4, Longitudinal reduction defect of radius, describes a congenital condition where the radius bone in the forearm fails to develop fully. This can range from a partial deficiency to a complete absence of the radius, resulting in a deformed hand often described as a radial clubhand.The severity varies significantly.The condition can be unilateral or bilateral and is frequently associated with other musculoskeletal anomalies.

Example 1: A newborn infant is diagnosed with a severely underdeveloped right radius, resulting in a markedly deformed hand.Q71.4 is used to code this condition., A child presents with a mild radial deficiency, characterized by a slightly shortened forearm and some hand abnormalities. Q71.4 is the appropriate code in this case., A patient has a bilateral radial clubhand; the condition affects both arms.Q71.4 is coded for both arms, with additional codes used if there are other skeletal abnormalities.

Detailed clinical examination findings including measurements of the forearm, hand, and any associated deformities. Radiographic imaging (X-rays) demonstrating the degree of radial deficiency.Genetic testing may be relevant for certain cases.

** This condition can be associated with other congenital anomalies such as thumb hypoplasia or other skeletal deformities.Accurate coding requires careful examination and appropriate imaging studies to determine the extent of the malformation.