Secondary headache

Definition

Secondary headache is any headache that develops in close temporal relationship to another disorder which is known to cause headache, or that worsens or improves significantly in parallel to the presumed causative disorder.

4 subordinate codes

• 8A84.0Acute headache associated with traumatic injury to the head
• 8A84.1Persistent headache associated with traumatic injury to the head
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Headache disorders

• 8A80Migraine
• 8A81Tension-type headache
• 8A82Trigeminal autonomic cephalalgias
• 8A83Other primary headache disorder
• 8A85Painful cranial neuropathies or other facial pains
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified