{"slug":"api-magentlab-com-api-calc-nri-afee75","title":"VA TPN 1991 Nutritional Risk Index (NEJM)","host":"api.magentlab.com","method":"POST","resource":"https://api.magentlab.com/api/calc/nri","category":"other","description":"VA TPN 1991 Nutritional Risk Index (NEJM): NRI = 1.519*albumin_g_l + 41.7*(current/usual weight). Malnourished if NRI <= 100. Strata: not_malnourished if NRI > 100; borderline_malnourished if 97.5 < NRI <= 100; mildly_malnourished if 83.5 <= NRI <= 97.5; severely_malnourished if NRI < 83.5. Does not","price_listed":0.005,"price_asked":0.005,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":268,"reported_calls_30d":0,"reported_payers_30d":0,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"items":[{"albumin_g_dl":4,"albumin_g_l":40,"current_weight_kg":70,"usual_weight_kg":70},{"albumin_g_dl":4,"albumin_g_l":40,"current_weight_kg":70,"usual_weight_kg":70}]},"method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"items":{"items":{"properties":{"albumin_g_dl":{"description":"Serum albumin in g/dL (1-6). Converted as g/L = g/dL × 10. Provide this or albumin_g_l, not both.","type":"number"},"albumin_g_l":{"description":"Serum albumin in g/L (10-60). Provide this or albumin_g_dl, not both. VA TPN 1991 NRI uses g/L. magent does not assay albumin.","type":"number"},"current_weight_kg":{"description":"Current weight in kg (1-500). Not capped at usual weight. magent does not weigh the patient.","type":"number"},"usual_weight_kg":{"description":"Usual weight in kg (1-500). Must be greater than 0. magent does not weigh the patient.","type":"number"}},"required":["current_weight_kg","usual_weight_kg"],"type":"object"},"maxItems":25,"minItems":1,"type":"array"}},"required":["items"],"type":"object"},"headers":{"additionalProperties":{"type":"string"},"type":"object"},"method":{"const":"POST","type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-28","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.005,"price_match":true,"latency_ms":268,"error":null}],"description_full":"VA TPN 1991 Nutritional Risk Index (NEJM): NRI = 1.519*albumin_g_l + 41.7*(current/usual weight). Malnourished if NRI <= 100. Strata: not_malnourished if NRI > 100; borderline_malnourished if 97.5 < NRI <= 100; mildly_malnourished if 83.5 <= NRI <= 97.5; severely_malnourished if NRI < 83.5. Does not cap current/usual at 1. Not a malnutrition diagnosis or TPN order. magent does not assay albumin or weigh the patient. Not GNRI or PNI.","last_updated":"2026-09-28T14:39:06.391Z","schemes":["exact"]}