R29.1

Approximate Synonyms

• Meningeal irritation

Clinical Information

• A condition characterized by neck stiffness, headache, and other symptoms suggestive of meningeal irritation, but without actual inflammation of the meninges meningitis). Spinal fluid pressure may be elevated but spinal fluid is normal. dejong, the neurologic examination, 4th ed, p673)

• A condition marked by headache, fever, and a stiff neck, which is caused when the meninges three thin layers of tissue that cover and protect the brain and spinal cord) become irritated. Meningeal syndrome may be caused by blood, cancer cells, or substances from the breakdown of cancer cells that get into the cerebrospinal fluid csf). It may also be caused by infection with a bacterium, virus, or fungus.

• A disorder characterized by neck stiffness, headache, and photophobia resulting from irritation of the cerebral meninges.

• The symptoms of neck stiffness, headache, and photophobia resulting from meningeal irritation. Causes include subarachnoid hemorrhage and acute febrile diseases.

• The triad of nuchal rigidity, photophobia and headache. Not the same as meningismus.

Details

• R29.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM R29.1 became effective on October 1, 2022.

• This is the American ICD-10-CM version of R29.1 – other international versions of ICD-10 R29.1 may differ.