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CPE-004 · Anemia
ID-AN-01: Anemia present by WHO thresholds
Anemia present by WHO thresholds. Evaluates hemoglobin below 13.0 g/dL (men).
Condition
- hemoglobin < 13.0 g/dL (men)
- hemoglobin < 12.0 g/dL (non-pregnant women)
- hemoglobin < 11.0 g/dL (pregnancy)
What it reports
- Anemia by WHO hemoglobin thresholds
Diagnostic boundary
- Anemia is a finding, not a cause.
Evidence
- EV-WHO-HB-2011World Health Organization. Haemoglobin concentrations for the diagnosis of anaemia and assessment of severity. Geneva: WHO; 2011.Supports: Anemia thresholds: hemoglobin <13.0 g/dL (men), <12.0 g/dL (non-pregnant women), <11.0 g/dL (pregnancy)
Cases where this rule fires
Open a case to see this rule fire with real inputs, then change the values until it stops.
IRON-FX-01
Classic iron-deficiency anemia in a premenopausal woman
A 34-year-old with heavy periods, Hb 9.8, MCV 72 and a ferritin of 6.
IRON-FX-03
Iron-deficiency anemia in a man
A 61-year-old man with Hb 10.9, MCV 76 and a ferritin of 9.
IRON-FX-04
Iron-deficiency anemia after menopause
A 67-year-old woman, postmenopausal, Hb 10.6, ferritin 11.
IRON-FX-05
Rheumatoid arthritis: ferritin 85, TSAT 12
Hb 10.4 with a ferritin that looks normal and a CRP of 18.
IRON-FX-06
Inflammation with ferritin 48 and TSAT 9
Ferritin looks near normal but sits under the WHO inflammation cutoff of 70.
IRON-FX-07
Microcytic anemia with preserved iron indices
MCV 62, RBC 5.6, ferritin 95 and TSAT 28.
IRON-FX-09
Heart failure with ferritin 180 and TSAT 14
Ferritin 100–299 with low saturation meets the heart-failure definition.
IRON-FX-11
Anemia in chronic kidney disease
Hb 10.2, ferritin 140 and TSAT 17 in CKD.
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