Reference Ranges

Rules resolved by test, parameter, sex, age, pregnancy and method, with effective-date versioning.

New rule

TestParameterGenderMinimum AgeMaximum AgeAge UnitPregnancy ConditionMethod (optional)LowHighTextual ReferenceFor non-numeric resultsUnitEffective FromEffective To (optional)Status

13 reference rules

Test	Parameter	Gender	Age	Pregnancy	Method	Low	High	Textual	Unit	Effective	Status
Complete Blood Count	Hemoglobin	Female	13 – 99 Years	—	Any	12.0	15.0	—	g/dL	01 Jan 2026 → open	Active
Complete Blood Count	Hemoglobin	Male	13 – 99 Years	—	Any	13.0	17.0	—	g/dL	01 Jan 2026 → open	Active
Complete Blood Count	Hemoglobin	Female	0 – 40 Years	Pregnant	Any	11.0	14.0	—	g/dL	01 Feb 2026 → open	Active
Complete Blood Count	Hemoglobin	Any	0 – 28 Days	—	Any	14.0	22.0	—	g/dL	01 Jan 2026 → open	Active
Complete Blood Count	Platelet Count	Any	0 – 99 Years	—	Any	150000	450000	—	/cmm	01 Jan 2026 → open	Active
Complete Blood Count	ESR	Female	0 – 99 Years	—	Any	0	20	—	mm/1st hr	01 Jan 2025 → 31 Dec 2025	Superseded
Lipid Profile	LDL Cholesterol	Any	0 – 99 Years	—	Any	—	130	—	mg/dL	01 Jan 2026 → open	Active
HbA1c	HbA1c	Any	0 – 99 Years	—	HPLC	4.0	5.6	—	%	01 Jan 2026 → open	Active
HbA1c	HbA1c	Any	0 – 99 Years	—	Immunoassay	4.2	5.8	—	%	01 Jan 2026 → open	Active
TSH	TSH	Any	18 – 99 Years	—	Any	0.4	4.2	—	µIU/mL	01 Jan 2026 → open	Active
Dengue NS1 Antigen	Dengue NS1	Any	0 – 99 Years	—	Any	—	—	Negative	—	01 Jan 2026 → open	Active
Urine Culture & Sensitivity	Culture Result	Any	0 – 99 Years	—	Any	—	—	No growth after 24–48 hours	—	01 Jan 2026 → open	Active
HBV DNA (Real-Time PCR)	HBV DNA	Any	0 – 99 Years	—	Any	—	—	Not Detected (< 20 IU/mL)	IU/mL	01 Jan 2026 → open	Active

Effective-date versioning

Ranges evolve without rewriting history: a report keeps the range that was effective when the result was generated. Engineers cannot change master ranges during result entry.