---
title: bloodType
framework: healthkit
role: symbol
role_heading: Type Property
path: healthkit/hkcharacteristictypeidentifier/bloodtype
---

# bloodType

A characteristic type identifier for the user’s blood type.

## Declaration

```swift
static let bloodType: HKCharacteristicTypeIdentifier
```

## Discussion

Discussion This type uses values from the HKBloodType enum.

## See Also

### Related Documentation

- [HKCharacteristicType](healthkit/hkcharacteristictype.md)
- [HKCharacteristicTypeIdentifier](healthkit/hkcharacteristictypeidentifier.md)
- [HKBloodType](healthkit/hkbloodtype.md)
- [HKBloodTypeObject](healthkit/hkbloodtypeobject.md)

### Characteristic identifiers

- [activityMoveMode](healthkit/hkcharacteristictypeidentifier/activitymovemode.md)
- [biologicalSex](healthkit/hkcharacteristictypeidentifier/biologicalsex.md)
- [dateOfBirth](healthkit/hkcharacteristictypeidentifier/dateofbirth.md)
- [fitzpatrickSkinType](healthkit/hkcharacteristictypeidentifier/fitzpatrickskintype.md)
- [wheelchairUse](healthkit/hkcharacteristictypeidentifier/wheelchairuse.md)