I67.84 is the authoritative medical code for Cerebral vasospasm and vasoconstriction. This classification is used in medical billing and clinical recording to specify the clinical criteria for cerebral vasospasm and vasoconstriction (ICD-10-CM I67.84), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Cerebral vasospasm and vasoconstriction is a non-billable ICD-10-CM category code I67.84. A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): Occlusion and stenosis of cerebral artery causing cerebral infarction I63.3-I63.5-; Occlusion and stenosis of precerebral artery causing cerebral infarction I63.2-; traumatic intracranial hemorrhage S06.-. Excludes2 (not included here): sequelae of the listed conditions I69.8. Use additional code: code to identify presence of:; alcohol abuse and dependence F10.-; exposure to environmental tobacco smoke Z77.22; history of tobacco dependence Z87.891; hypertension I10-I1A; occupational exposure to environmental tobacco smoke Z57.31; tobacco dependence F17.-; tobacco use Z72.0.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for I67.84 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- Occlusion and stenosis of cerebral artery causing cerebral infarction I63.3-I63.5-
- Occlusion and stenosis of precerebral artery causing cerebral infarction I63.2-
- traumatic intracranial hemorrhage S06.-
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- sequelae of the listed conditions I69.8
Use Additional Code
Supplementary codes the tabular list directs you to add.
- code to identify presence of:
- alcohol abuse and dependence F10.-
- exposure to environmental tobacco smoke Z77.22
- history of tobacco dependence Z87.891
- hypertension I10-I1A
- occupational exposure to environmental tobacco smoke Z57.31
- tobacco dependence F17.-
- tobacco use Z72.0
Frequently Asked Questions (FAQ) & Clinical Guidance
Can I67.84 be billed directly?
No. I67.84 (Cerebral vasospasm and vasoconstriction) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
What can't be coded together with I67.84?
Per Excludes1 instructions, I67.84 must not be reported with: Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5-); Occlusion and stenosis of precerebral artery causing cerebral infarction (I63.2-); traumatic intracranial hemorrhage (S06.-).
Can I67.84 be reported alongside related conditions?
Per Excludes2 instructions, I67.84 and the following may both be reported when both are present: sequelae of the listed conditions (I69.8).
Is an additional code needed with I67.84?
Use additional code(s) to specify: code to identify presence of:; alcohol abuse and dependence (F10.-); exposure to environmental tobacco smoke (Z77.22); history of tobacco dependence (Z87.891).
Codes in This Family (2)
Official ICD-10-CM classifications in the same code family as I67.84, with their registry titles.
- I67.841 — Reversible cerebrovascular vasoconstriction syndrome
- I67.848 — Other cerebrovascular vasospasm and vasoconstriction
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code I69.84
Monoplegia of lower limb following other cerebrovascular disease