[O3 Framework](../API.md) / ReferenceRangeValue

# Type Alias: ReferenceRangeValue

> **ReferenceRangeValue** = `number` \| `null` \| `undefined`

Defined in: [packages/framework/esm-styleguide/src/numeric-observation/interpretation-utils.ts:28](https://github.com/openmrs/openmrs-esm-core/blob/main/packages/framework/esm-styleguide/src/numeric-observation/interpretation-utils.ts#L28)

Reference range values for calculating interpretation