ICD-10 code for hand split

The ICD-10-CM code for hand split is Q71.6 (Lobster-claw hand).

Within Q71 (reduction defects of upper limb), Q71.6 is specifically for Lobster-claw hand. Related codes cover congenital complete absence of upper limb (Q71.0), congenital absence of upper arm and forearm with hand present (Q71.1), congenital absence of both forearm and hand (Q71.2), congenital absence of hand and finger (Q71.3), longitudinal reduction defect of radius (Q71.4), longitudinal reduction defect of ulna (Q71.5), other reduction defects of upper limb (Q71.8) and unspecified reduction defect of upper limb (Q71.9).

To report this condition, pick the subcode that matches the documentation: Q71.60 (unspecified hand), Q71.61 (hand), Q71.62 (hand) and Q71.63 (bilateral).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.