← How it decides

Creatinine-change criteria and staging, with four selectable baselines

A creatinine rise during a stay: 0.3 within 48 hours, or 1.5 times an earlier value; four ways to pick that value.

Rule and version

kdigo_aki_2012@1.0 (superseded)

Published source

Kidney Disease: Improving Global Outcomes (KDIGO) Acute Kidney Injury Work Group. KDIGO Clinical Practice Guideline for Acute Kidney Injury. Kidney Int Suppl 2012;2:1-138. Recommendations 2.1.1-2.1.2 and Table 2 (staging). KDIGO does not define the baseline; the four baselines below are common choices in the literature and are shown side by side. https://kdigo.org/guidelines/acute-kidney-injury/

Edition

KDIGO 2012 guideline, Kidney Int Suppl 2012;2:1-138 (Rec 2.1.1-2.1.2, Table 2)

Effective

from 2012-03-01

Role

creatinine-change criteria; baseline is a user toggle

Status

superseded

Clinical reviewer

—

Coding reviewer

—

Sponsor

none

Body hash

e8f874c7656e2ff3eae9890dc51d4214ee435f0edcfafab6f8e377401087535c

Thresholds and parameters

{
  "abs_rise_mg_dl": 0.3,
  "abs_window_hours": 48,
  "applies_to": "LOCAL CONVENTION: inpatient encounters with at least one in-encounter creatinine; outpatient visits are not assessed",
  "baselines": [
    {
      "key": "lowest_365",
      "label": "Lowest value in the 365 days before admission",
      "lookback_days": 365
    },
    {
      "key": "last_outpatient",
      "label": "Most recent outpatient value 7-365 days before admission",
      "max_days": 365,
      "min_days": 7
    },
    {
      "key": "median_365",
      "label": "Median of values in the 365 days before admission",
      "lookback_days": 365
    },
    {
      "key": "back_calculated",
      "label": "Back-calculated from eGFR 75 (2021 equation, age and sex at admission)",
      "target_egfr": 75
    }
  ],
  "loinc_creatinine": "2160-0",
  "not_encoded": "urine-output criteria and dialysis start (no structured source in this data set)",
  "ratio_window_days": 7,
  "stage3_absolute_mg_dl": 4.0,
  "stage_ratio": {
    "1": 1.5,
    "2": 2.0,
    "3": 3.0
  }
}

Boundary tests: 0/0 pass

None for this rule.