Table 4 Typical values for examinations in adults for which National DRLs have not been set.

From: Demonstration of Japanese radiographic examination codes in establishing typical values for a wide variety of general radiography examinations

Examination items

Anatomical site (code)

Posture (code)

Projection (code)

Typical value (mGy)

Number of examinations

Thoracolumbar junction LAT

Thoracolumbar junction (674)

Unspecified (0)

Lateral (04)

1.808

216

Abdomen RL standing

Abdomen (250)

Standing position (1)

Lateral-RL (05)

0.829

21

Lumber spine LPO

Lumbar spine (354)

Unspecified (0)

LPO (12)

1.505

130

Lumber spine RPO

Lumbar spine (354)

Unspecified (0)

RPO (13)

1.352

128

Rib oblique view

Ribs (379)

Unspecified (0)

Oblique (09)

2.510

38

Waters’ view in paranasal sinus

Paranasal sinus (116)

Unspecified (0)

Waters (47)

1.127

85

Abdomen PA standing

Abdomen (250)

Standing position (1)

Frontal-PA (03)

0.558

4162

Rib frontal view

Rib (379)

Unspecified (0)

Frontal-unspecified (01)

1.829

46

Abdomen (KUB) PA standing

KUB (251)

Standing position (1)

Frontal-AP (02)

0.558

84

Thoracolumbar junction AP

Thoracolumbar junction (674)

Unspecified (0)

Frontal-unspecified (01)

0.923

223