Care plan omitted hyperammonemia and lactulose was not resumed after a temporary dose increase
Summary
The facility failed to develop a comprehensive person-centered care plan for a resident with a diagnosis of disorder of urea cycle metabolism and elevated ammonia levels. The resident’s record showed diagnoses including Alzheimer’s disease, major depressive disorder, and hyperammonemia-related metabolic disorder, with severe cognitive impairment on the admission MDS. The existing care plan addressed behaviors, including episodes of physical aggression toward other residents and staff, but there was no care plan area addressing the resident’s hyperammonemia or urea cycle metabolism disorder. The resident had a physician order for lactulose 30 mL by mouth three times daily, which was administered until a temporary increase was ordered after an ammonia level returned elevated. The temporary order increased lactulose to 45 mL three times daily for 3 days, and the MAR showed that this increased dose was given for the ordered 3-day period. After that, the resident did not receive any lactulose from 5/4/2026 through 5/23/2026, resulting in approximately 57 missed doses of the routine medication. The nurse who handled the order stated she did not know why the previous lactulose order was not held and resumed after the temporary order ended, and the DON stated the routine dose was not resumed after completion of the temporary order. The resident’s record also documented ongoing behavioral incidents during this period, including altercations with other residents and combative behavior with staff. Notes from the NP referenced elevated ammonia and stated the resident would receive increased lactulose, and later documented to continue lactulose for the urea cycle metabolism disorder/hyperammonemia. The MDS nurse stated she was not aware of the resident’s urea cycle metabolism diagnosis or elevated ammonia levels and said high lab values would not necessarily be placed on the care plan. The resident was later transferred to a psychiatric hospital for aggressive behavior, and the discharge summary from that facility noted a history of hyperammonemia and an order for lactulose.
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