S06.4X8A: Epidural hemorrhage with loss of consciousness of any duration with death due to other causes prior to regaining consciousness, initial encounter

S06.4X8A, epidural hemorrhage with loss of consciousness of any duration with death due to other causes prior to regaining consciousness, initial encounter, is listed as a covered diagnosis in 4 Medicare billing and coding articles that apply to 20 HCPCS Level II codes, including G0451 (Development testing, with interpretation and report, per…), C8900 (Magnetic resonance angiography with contrast, abdomen), C8901 (Magnetic resonance angiography without contrast, abdomen). The articles come from 2 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 S06.4X8A as a covered diagnosis

CodeDescriptionMedicare coverageDMEPOS fee 2026 (state range)Articles listing it
G0451Development testing, with interpretation and report, per standardized instrument formCarrier judgment—2
C8900Magnetic resonance angiography with contrast, abdomenSpecial coverage instructions apply—1
C8901Magnetic resonance angiography without contrast, abdomenSpecial coverage instructions apply—1
C8902Magnetic resonance angiography without contrast followed by with contrast, abdomenSpecial coverage instructions apply—1
C8909Magnetic resonance angiography with contrast, chest (excluding myocardium)Special coverage instructions apply—1
C8910Magnetic resonance angiography without contrast, chest (excluding myocardium)Special coverage instructions apply—1
C8911Magnetic resonance angiography without contrast followed by with contrast, chest (excluding myocardium)Special coverage instructions apply—1
C8912Magnetic resonance angiography with contrast, lower extremitySpecial coverage instructions apply—1
C8913Magnetic resonance angiography without contrast, lower extremitySpecial coverage instructions apply—1
C8914Magnetic resonance angiography without contrast followed by with contrast, lower extremitySpecial coverage instructions apply—1
C8918Magnetic resonance angiography with contrast, pelvisSpecial coverage instructions apply—1
C8919Magnetic resonance angiography without contrast, pelvisSpecial coverage instructions apply—1
C8920Magnetic resonance angiography without contrast followed by with contrast, pelvisSpecial coverage instructions apply—1
C8931Magnetic resonance angiography with contrast, spinal canal and contentsSpecial coverage instructions apply—1
C8932Magnetic resonance angiography without contrast, spinal canal and contentsSpecial coverage instructions apply—1
C8933Magnetic resonance angiography without contrast followed by with contrast, spinal canal and contentsSpecial coverage instructions apply—1
C8934Magnetic resonance angiography with contrast, upper extremitySpecial coverage instructions apply—1
C8935Magnetic resonance angiography without contrast, upper extremitySpecial coverage instructions apply—1
C8936Magnetic resonance angiography without contrast followed by with contrast, upper extremitySpecial coverage instructions apply—1
G0278Iliac 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

Medicare policy articles listing S06.4X8A

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 S06 diagnoses (Intracranial injury)

Frequently asked questions

Does Medicare cover S06.4X8A (Epidural hemorrhage with loss of consciousness of any…)?

Medicare covers items and services, not diagnoses. 4 Medicare billing and coding articles list S06.4X8A as a covered diagnosis for 20 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 S06.4X8A?

The Level II codes from the policies most specific to this diagnosis are G0451 (Development testing, with interpretation and report, per…, 2 articles); C8900 (Magnetic resonance angiography with contrast, abdomen, 1 article); C8901 (Magnetic resonance angiography without contrast, abdomen, 1 article); C8902 (Magnetic resonance angiography without contrast followed…, 1 article); C8909 (Magnetic resonance angiography with contrast, chest…, 1 article). Code choice depends on the item supplied; check each code's descriptor.

Which Medicare policy articles list S06.4X8A?

A56747 (Billing and Coding: Magnetic Resonance Angiography (MRA)); A57056 (Billing and Coding: Aortography and Peripheral Angiography); A56937 (Billing and Coding: Psychiatry and Psychology Services), and 1 more article.

What is ICD-10-CM code S06.4X8A?

S06.4X8A is the ICD-10-CM code for epidural hemorrhage with loss of consciousness of any duration with death due to other causes prior to regaining consciousness, initial encounter, in category S06 (Intracranial injury), chapter 19: Injury, poisoning and other consequences of external causes.

Next steps

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 19: Injury, poisoning and other consequences of external causes · All diagnoses · HCPCS lookup