500
The patient has esophageal cancer and is treated only for dehydration. The __________ is coded first, followed by _____________.
What is dehydration, esophageal cancer?
ICD-10-CM chapter-specific guideline ?for neoplasms states that when the encounter is for management of dehydration due to the malignancy ?or the therapy, or a combination of both, and only the dehydration is being treated, the dehydration is sequenced first, followed by the code(s) for the malignancy.