Post – DRG 641, Misc Disorders of Nutrition, Metabolism Without MCC, Wt.Pre – DRG 640, Misc Disorders of Nutrition, Metabolism with MCCC, Wt.The more specific code for Metabolic Encephalopathy is still considered an MCC post. The coder assigned G9340, Encephalopathy unspecified, as a secondary diagnosis.ĭocumentation in the H&P did support a more specific code for Encephalopathy and code G9341, Metabolic Encephalopathy, could have been reported. The coder assigned the appropriate code for hyponatremia as the principal diagnosis. Documentation on the H&P stated the encephalopathy was metabolic. Ĭase 2: Patient admitted for hyponatremia and encephalopathy. Resulting in a decrease of 0.9681 to the case weight and a reduction of $5,324.55 to reimbursementīetter documentation for the cause/type of encephalopathy could potentially support DRG 480 post.Post – DRG 481, Hip & Femur Procedures Except Major Joint with CC, Wt.Pre – DRG 480, Hip & Femur Procedures Except Major Joint with MCC, Wt.A query to the provider to document the cause/type of the encephalopathy could impact the DRG.

Documentation in the record suggests that the encephalopathy may have been caused by the anesthesia. Post unspecified encephalopathy is no longer considered an MCC, but toxic encephalopathy is. The DRG would have been 480, Hip & Femur Procedures Except Major Joint W MCC, CMS weight 3.0304. Prior to Octounspecified encephalopathy would have been considered an MCC. The coder reported the appropriate principal diagnosis and procedure code but assigned G9340, Encephalopathy unspecified, as a secondary diagnosis. Postop the patient had some confusion the provider documented “acute encephalopathy post op. The patient had operative repair of the fracture with an ORIF. Case 1: Patient admitted for subtrochanteric femur fracture.

Icd 10 code for hyponatremia