American College of Radiology
ACR Appropriateness Criteria®
Headache
Variant 1: Chronic headache. No new features. Normal neurologic examination.
Procedure
Appropriateness Category
SOE
Adult RRL
Peds RRL
Rating
Median
Final Tabulations
1
2
3
4
5
6
7
8
9
MRI head without IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
4
n/a
0
0
0
0
0
0
0
0
0
MRI head without and with IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
4
n/a
0
0
0
0
0
0
0
0
0
CT head without IV contrast
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
CT head without and with IV contrast
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
CT head with IV contrast
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
CTA head with IV contrast
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
2
n/a
0
0
0
0
0
0
0
0
0
Arteriography cervicocerebral
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
2
n/a
0
0
0
0
0
0
0
0
0
MRA head without IV contrast
Usually not appropriate
O 0 mSv
O 0 mSv [ped]
2
n/a
0
0
0
0
0
0
0
0
0
MRA head without and with IV contrast
Usually not appropriate
O 0 mSv
O 0 mSv [ped]
2
n/a
0
0
0
0
0
0
0
0
0
Variant 2: Chronic headache with new feature or neurologic deficit.
Procedure
Appropriateness Category
SOE
Adult RRL
Peds RRL
Rating
Median
Final Tabulations
1
2
3
4
5
6
7
8
9
MRI head without and with IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
CT head without IV contrast
Usually appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
MRI head without IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
CT head without and with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CTA head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
4
n/a
0
0
0
0
0
0
0
0
0
MRA head without IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
4
n/a
0
0
0
0
0
0
0
0
0
MRA head without and with IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
4
n/a
0
0
0
0
0
0
0
0
0
CT head with IV contrast
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
Arteriography cervicocerebral
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
2
n/a
0
0
0
0
0
0
0
0
0
Variant 3: Sudden onset of severe headache (“Worst headache of one’s life”, “thunderclap headache”).
Procedure
Appropriateness Category
SOE
Adult RRL
Peds RRL
Rating
Median
Final Tabulations
1
2
3
4
5
6
7
8
9
CT head without IV contrast
Usually appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
9
n/a
0
0
0
0
0
0
0
0
0
CTA head with IV contrast
Usually appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
Arteriography cervicocerebral
Usually appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
MRI head without IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
MRA head without IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
MRA head without and with IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
MRI head without and with IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
CT head without and with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CT head with IV contrast
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
Variant 4: Sudden onset of unilateral headache, or suspected carotid or vertebral dissection or ipsilateral Horner syndrome.
Procedure
Appropriateness Category
SOE
Adult RRL
Peds RRL
Rating
Median
Final Tabulations
1
2
3
4
5
6
7
8
9
CTA head and neck with IV contrast
Usually appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
MRI head without and with IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
MRI head without IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
MRA head without IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
MRA neck without and with IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
CT head without IV contrast
Usually appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
MRA neck without IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
Arteriography cervicocerebral
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
CT head without and with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
MRA head without and with IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
CT head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
MRI neck without and with IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
MRI neck without IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
MRI cervical spine without and with IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
MRI cervical spine without IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
4
n/a
0
0
0
0
0
0
0
0
0
CT neck without and with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
4
n/a
0
0
0
0
0
0
0
0
0
CT neck with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
4
n/a
0
0
0
0
0
0
0
0
0
US duplex Doppler carotid
Usually not appropriate
O 0 mSv
O 0 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
CT neck without IV contrast
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
Variant 5: Headache of trigeminal autonomic origin.
Procedure
Appropriateness Category
SOE
Adult RRL
Peds RRL
Rating
Median
Final Tabulations
1
2
3
4
5
6
7
8
9
MRI head without and with IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
MRI head without IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
CT head without and with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
CT head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
MRA head without IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CTA head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CT head without IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
MRA head without and with IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
4
n/a
0
0
0
0
0
0
0
0
0
Arteriography cervicocerebral
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
2
n/a
0
0
0
0
0
0
0
0
0
Variant 6: Headache of skull base, orbital, or periorbital origin.
Procedure
Appropriateness Category
SOE
Adult RRL
Peds RRL
Rating
Median
Final Tabulations
1
2
3
4
5
6
7
8
9
MRI head and orbits without and with IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
MRI head and orbits without IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
CT head and orbits without and with IV contrast
Usually appropriate
☢☢☢ 1-10 mSv
7
n/a
0
0
0
0
0
0
0
0
0
CT head and orbits with IV contrast
Usually appropriate
☢☢☢ 1-10 mSv
7
n/a
0
0
0
0
0
0
0
0
0
CT head and orbits without IV contrast
May be appropriate
☢☢☢ 1-10 mSv
6
n/a
0
0
0
0
0
0
0
0
0
MRA head without IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
MRA head without and with IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CTA head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
Arteriography cervicocerebral
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
2
n/a
0
0
0
0
0
0
0
0
0
Variant 7: Headache, suspected intracranial complication of sinusitis and/or mastoiditis. (See the ACR Appropriateness Criteria® on “Sinonasal Disease”)
Procedure
Appropriateness Category
SOE
Adult RRL
Peds RRL
Rating
Median
Final Tabulations
1
2
3
4
5
6
7
8
9
MRI head without and with IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
CT head without IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
CT head without and with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
MRI head without IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
CT head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
Variant 8: Headache of oromaxillofacial origin.
Procedure
Appropriateness Category
SOE
Adult RRL
Peds RRL
Rating
Median
Final Tabulations
1
2
3
4
5
6
7
8
9
MRI head without and with IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
MRI head without IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
CT head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
CT head without IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CT head without and with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
MRA head without IV contrast
Usually not appropriate
O 0 mSv
O 0 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
MRA head without and with IV contrast
Usually not appropriate
O 0 mSv
O 0 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
CTA head with IV contrast
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
Variant 9: New headache in elderly patients. Sedimentation rate higher than 55, temporal tenderness. Suspected temporal arteritis.
Procedure
Appropriateness Category
SOE
Adult RRL
Peds RRL
Rating
Median
Final Tabulations
1
2
3
4
5
6
7
8
9
MRI head without and with IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
9
n/a
0
0
0
0
0
0
0
0
0
MRI head without IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
MRA head without and with IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
CT head without IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
CTA head and neck with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
MRA head without IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
MRA neck without and with IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
CT head without and with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CT head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
MRA neck without IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
Arteriography cervicocerebral
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
4
n/a
0
0
0
0
0
0
0
0
0
FDG-PET/CT whole body
Usually not appropriate
☢☢☢☢ 10-30 mSv
3
n/a
0
0
0
0
0
0
0
0
0
US head
Usually not appropriate
O 0 mSv
O 0 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
Variant 10: New headache in cancer patient or immunocompromised individual.
Procedure
Appropriateness Category
SOE
Adult RRL
Peds RRL
Rating
Median
Final Tabulations
1
2
3
4
5
6
7
8
9
MRI head without and with IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
9
n/a
0
0
0
0
0
0
0
0
0
MRI head without IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
CT head without and with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
CT head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
MRA head without IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CT head without IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
MRA head without and with IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CTA head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
FDG-PET/CT head
May be appropriate
☢☢☢☢ 10-30 mSv
☢☢☢☢ 3-10 mSv [ped]
4
n/a
0
0
0
0
0
0
0
0
0
Thallium-201 SPECT head
Usually not appropriate
☢☢☢☢ 10-30 mSv
3
n/a
0
0
0
0
0
0
0
0
0
Arteriography cervicocerebral
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
2
n/a
0
0
0
0
0
0
0
0
0
Tc-99m HMPAO SPECT head
Usually not appropriate
☢☢☢☢ 10-30 mSv
☢☢☢☢ 3-10 mSv [ped]
2
n/a
0
0
0
0
0
0
0
0
0
Variant 11: New headache. Suspected meningitis/encephalitis.
Procedure
Appropriateness Category
SOE
Adult RRL
Peds RRL
Rating
Median
Final Tabulations
1
2
3
4
5
6
7
8
9
MRI head without and with IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
MRI head without IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
CT head without and with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
CT head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
CT head without IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CTA head with IV contrast
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
MRA head without IV contrast
Usually not appropriate
O 0 mSv
O 0 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
MRA head without and with IV contrast
Usually not appropriate
O 0 mSv
O 0 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
Variant 12: New headache in pregnant woman.
Procedure
Appropriateness Category
SOE
Adult RRL
Peds RRL
Rating
Median
Final Tabulations
1
2
3
4
5
6
7
8
9
MRI head without IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
CT head without IV contrast
Usually appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
MRA head without IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
MR venography head without IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
MRI head without and with IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CT head with IV contrast
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
MRA head without and with IV contrast
Usually not appropriate
O 0 mSv
O 0 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
CTA head with IV contrast
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
2
n/a
0
0
0
0
0
0
0
0
0
CT head without and with IV contrast
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
2
n/a
0
0
0
0
0
0
0
0
0
Variant 13: New headache. Focal neurologic deficit or papilledema.
Procedure
Appropriateness Category
SOE
Adult RRL
Peds RRL
Rating
Median
Final Tabulations
1
2
3
4
5
6
7
8
9
MRI head without and with IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
MRI head without IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
CT head without IV contrast
Usually appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
MRA head without and with IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
CT head without and with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
MRA head without IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CTA head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CT head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
Variant 14: Positional headache.
Procedure
Appropriateness Category
SOE
Adult RRL
Peds RRL
Rating
Median
Final Tabulations
1
2
3
4
5
6
7
8
9
MRI head without and with IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
MRI head without IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
X-ray myelography and post myelography CT spine
Usually appropriate
☢☢☢☢ 10-30 mSv
7
n/a
0
0
0
0
0
0
0
0
0
MRI spine include MR myelography
Usually appropriate
O 0 mSv
O 0 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
CT head without IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CT head without and with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CT head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
MRA head without IV contrast
Usually not appropriate
O 0 mSv
O 0 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
MRA head without and with IV contrast
Usually not appropriate
O 0 mSv
O 0 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
CTA head with IV contrast
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
Variant 15: Headache associated with cough, exertion or sexual activity.
Procedure
Appropriateness Category
SOE
Adult RRL
Peds RRL
Rating
Median
Final Tabulations
1
2
3
4
5
6
7
8
9
MRI head without and with IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
MRI head without IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
CT head without IV contrast
Usually appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
MRA head without IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
MRA head without and with IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
CT head without and with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
6
n/a
0
0
0
0
0
0
0
0
0
CTA head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CT head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
X-ray myelography and post myelography CT spine
Usually not appropriate
☢☢☢☢ 10-30 mSv
2
n/a
0
0
0
0
0
0
0
0
0
MRI spine include MR myelography
Usually not appropriate
O 0 mSv
O 0 mSv [ped]
2
n/a
0
0
0
0
0
0
0
0
0
Variant 16: Post-traumatic headache.
Procedure
Appropriateness Category
SOE
Adult RRL
Peds RRL
Rating
Median
Final Tabulations
1
2
3
4
5
6
7
8
9
CT head without IV contrast
Usually appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
8
n/a
0
0
0
0
0
0
0
0
0
MRI head without IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
MRI head without and with IV contrast
Usually appropriate
O 0 mSv
O 0 mSv [ped]
7
n/a
0
0
0
0
0
0
0
0
0
MRA head without IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
MRA head without and with IV contrast
May be appropriate
O 0 mSv
O 0 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CTA head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CT head without and with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
5
n/a
0
0
0
0
0
0
0
0
0
CT head with IV contrast
May be appropriate
☢☢☢ 1-10 mSv
☢☢☢ 0.3-3 mSv [ped]
4
n/a
0
0
0
0
0
0
0
0
0
Arteriography cervicocerebral
Usually not appropriate
☢☢☢ 1-10 mSv
☢☢☢☢ 3-10 mSv [ped]
3
n/a
0
0
0
0
0
0
0
0
0
Please refer to the supporting documentation for a more complete discussion of the concepts and their definitions below.
Final Tabulations:
A histogram of the number of panel members who rated the recommendation as noted in the column heading (ie, 1, 2, 3, …etc.)
Disagree:
The variation of the individual ratings from the median rating indicates panel disagreement on the final recommendation.
References:
Lists the references associated with the recommendation
SQ:
Study Quality (1, 2, 3, 4, Good M or Inadequate M) of the references listed.
RRL:
Information on the Relative Radiation Level (RRL) designations can be found here.
