I67.81: Acute cerebrovascular insufficiency
I67.81, acute cerebrovascular insufficiency, is listed as a covered diagnosis in 5 Medicare billing and coding articles that apply to 29 HCPCS Level II codes, including C8900 (Magnetic resonance angiography with contrast, abdomen), C8901 (Magnetic resonance angiography without contrast, abdomen), C8902 (Magnetic resonance angiography without contrast followed…). The articles come from 3 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.
HCPCS Level II codes with I67.81 as a covered diagnosis
| Code | Description | Medicare coverage | DMEPOS fee 2026 (state range) | Articles listing it |
|---|---|---|---|---|
| C8900 | Magnetic resonance angiography with contrast, abdomen | Special coverage instructions apply | — | 2 |
| C8901 | Magnetic resonance angiography without contrast, abdomen | Special coverage instructions apply | — | 2 |
| C8902 | Magnetic resonance angiography without contrast followed by with contrast, abdomen | Special coverage instructions apply | — | 2 |
| C8909 | Magnetic resonance angiography with contrast, chest (excluding myocardium) | Special coverage instructions apply | — | 2 |
| C8910 | Magnetic resonance angiography without contrast, chest (excluding myocardium) | Special coverage instructions apply | — | 2 |
| C8911 | Magnetic resonance angiography without contrast followed by with contrast, chest (excluding myocardium) | Special coverage instructions apply | — | 2 |
| C8912 | Magnetic resonance angiography with contrast, lower extremity | Special coverage instructions apply | — | 2 |
| C8913 | Magnetic resonance angiography without contrast, lower extremity | Special coverage instructions apply | — | 2 |
| C8914 | Magnetic resonance angiography without contrast followed by with contrast, lower extremity | Special coverage instructions apply | — | 2 |
| C8918 | Magnetic resonance angiography with contrast, pelvis | Special coverage instructions apply | — | 2 |
| C8919 | Magnetic resonance angiography without contrast, pelvis | Special coverage instructions apply | — | 2 |
| C8920 | Magnetic resonance angiography without contrast followed by with contrast, pelvis | Special coverage instructions apply | — | 2 |
| C8931 | Magnetic resonance angiography with contrast, spinal canal and contents | Special coverage instructions apply | — | 2 |
| C8932 | Magnetic resonance angiography without contrast, spinal canal and contents | Special coverage instructions apply | — | 2 |
| C8933 | Magnetic resonance angiography without contrast followed by with contrast, spinal canal and contents | Special coverage instructions apply | — | 2 |
| C8934 | Magnetic resonance angiography with contrast, upper extremity | Special coverage instructions apply | — | 2 |
| C8935 | Magnetic resonance angiography without contrast, upper extremity | Special coverage instructions apply | — | 2 |
| C8936 | Magnetic resonance angiography without contrast followed by with contrast, upper extremity | Special coverage instructions apply | — | 2 |
| G0278 | Iliac and/or femoral artery angiography, non-selective, bilateral or ipsilateral to catheter insertion, performed at the same time as cardiac catheterization and/or coronary angiography, includes positioning or placement of the catheter in the distal aorta or ipsilateral femoral or iliac artery, injection of dye, production of permanent images, and radiologic supervision and interpretation (list separately in addition to primary procedure) | Carrier judgment | — | 1 |
| G2187 | Patients with clinical indications for imaging of the head: head trauma | Carrier judgment | — | 1 |
| G2188 | Patients with clinical indications for imaging of the head: new or change in headache above 50 years of age | Carrier judgment | — | 1 |
| G2189 | Patients with clinical indications for imaging of the head: abnormal neurologic exam | Carrier judgment | — | 1 |
| G2190 | Patients with clinical indications for imaging of the head: headache radiating to the neck | Carrier judgment | — | 1 |
| G2191 | Patients with clinical indications for imaging of the head: positional headaches | Carrier judgment | — | 1 |
| G2192 | Patients with clinical indications for imaging of the head: temporal headaches in patients over 55 years of age | Carrier judgment | — | 1 |
4 more codes are listed. See every code with payment by region in Caduvo.
Medicare policy articles listing I67.81
- A56747: Billing and Coding: Magnetic Resonance Angiography (MRA) (Wellpoint Federal (MAC - Part A, MAC - Part B); 18 Level II codes). LCD with the same title: L33633, L34372, L34865
- A56775: Billing and Coding: Magnetic Resonance Angiography (Palmetto GBA (MAC - Part A, MAC - Part B); 18 Level II codes). LCD with the same title: L34424
- A57056: Billing and Coding: Aortography and Peripheral Angiography (First Coast Service Options, Inc. (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L36767
- A56619: Billing and Coding: Nerve Conduction Studies and Electromyography (Palmetto GBA (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L34594, L34859, L35048, L35081
- A56612: Billing and Coding: CT of the Head (Palmetto GBA (MAC - Part A, MAC - Part B); 9 Level II codes). LCD with the same title: L34417
A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.
Other I67 diagnoses (Other cerebrovascular diseases)
- I67.82 — Cerebral ischemia
- I67.841 — Reversible cerebrovascular vasoconstriction syndrome
- I67.848 — Other cerebrovascular vasospasm and vasoconstriction
- I67.850 — Cerebral autosomal dominant arteriopathy with subcortical infarcts…
- I67.858 — Other hereditary cerebrovascular disease
- I67.89 — Other cerebrovascular disease
- I67.0 — Dissection of cerebral arteries, nonruptured
- I67.1 — Cerebral aneurysm, nonruptured
- I67.5 — Moyamoya disease
- I67.6 — Nonpyogenic thrombosis of intracranial venous system
Frequently asked questions
Does Medicare cover I67.81 (Acute cerebrovascular insufficiency)?
Medicare covers items and services, not diagnoses. 5 Medicare billing and coding articles list I67.81 as a covered diagnosis for 29 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.
Which HCPCS codes can be billed with ICD-10 I67.81?
The Level II codes from the policies most specific to this diagnosis are C8900 (Magnetic resonance angiography with contrast, abdomen, 2 articles); C8901 (Magnetic resonance angiography without contrast, abdomen, 2 articles); C8902 (Magnetic resonance angiography without contrast followed…, 2 articles); C8909 (Magnetic resonance angiography with contrast, chest…, 2 articles); C8910 (Magnetic resonance angiography without contrast, chest…, 2 articles). Code choice depends on the item supplied; check each code's descriptor.
Which Medicare policy articles list I67.81?
A56747 (Billing and Coding: Magnetic Resonance Angiography (MRA)); A56775 (Billing and Coding: Magnetic Resonance Angiography); A57056 (Billing and Coding: Aortography and Peripheral Angiography), and 2 more articles.
What is ICD-10-CM code I67.81?
I67.81 is the ICD-10-CM code for acute cerebrovascular insufficiency, in category I67 (Other cerebrovascular diseases), chapter 9: Diseases of the circulatory system.
Next steps
- Run a reimbursement report for a device billed under C8900
- Watch C8900 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for C8900
Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.
Chapter 9: Diseases of the circulatory system · All diagnoses · HCPCS lookup