{"resource":"https://api.magentlab.com/api/calc/ttkg","service":"magent","areas":["other"],"answering":true,"http_status":402,"latency_ms":182,"price_usdc":0.005,"buyers_30d":3,"calls_30d":4,"description":"Transtubular potassium gradient (TTKG) from plasma potassium, urine potassium, plasma osmolality, and urine osmolality (Ethier JH et al., Am J Kidney Dis 1990). TTKG = (urine_k / potassium) / (urine_osm / plasma_osm), 1 decimal. Not valid w","id":"40b199c8ba90","category":"Calculators and conversions","accuracy":null,"tool_calls":null,"checked_day":"2026-10-11","page":"https://velliumandco.com/sellers/40b199c8ba90"}