But the ICD 728.71 is use in case of physical injury or wound. May I use ICD 729.5 (Pain in limb). Is it correct? Please suggest or give an appropriate ICD to bill for heel pain (without any injury or wound). Thank you.
Use any of those codes- why the worry? The relative complexity of each code is equal so you are not going to trigger an audit if you pick the "wrong" one.
If it hurts, it must have been injured/damaged/inflamed even if they do not recall the specific injury.