Diagnosis code for tpn?

Pt had small bowel obstruction. Provider is ordering daily tpn and is billing visits daily for this inpt visit. He wants to use mod 24 with tpn as the dx. Is this billable? Or global? In any case is there a dx code to use for tpn?

not billable or global

the doc does not supply the TPN, she can't bill for it. there is no corresponding code as there is for dialysis management. Use a medical diagnosis, wither small bowel obstruction or malnutrition (probably better if there is also a surgeon and GI on the case) and the appropriate E&M visit