DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

I60 Nontraumatic subarachnoid hemorrhage

  • Header · not billable

I60 is not billable. The category heads 18 billable codes in FY2027, grouped under 10 subdivisions.

Index → code

  • Rupture, rupturedcircle of Willis → I60.6
  • Rupture, rupturedmeningeal artery → I60.8
  • Anastomosisarteriovenous ruptured brain → I60.8

Where it sits

  1. Chapter 9 Diseases of the circulatory system (I00-I99)
  2. I60-I69 Cerebrovascular diseases (I60-I69)
  3. I60 Nontraumatic subarachnoid hemorrhage
Billable codes
18
Subdivisions
10
CC / MCC codes
0 / 18
HCC V28 codes
18
New FY2027
0
Index entries
35

Codes in I60

  1. I60.0
    Nontraumatic subarachnoid hemorrhage from carotid siphon and bifurcation
    Header
  2. I60.00
    Nontraumatic subarachnoid hemorrhage from unspecified carotid siphon and bifurcation
    BillableMCC248
  3. I60.01
    Nontraumatic subarachnoid hemorrhage from right carotid siphon and bifurcation
    BillableMCC248
  4. I60.02
    Nontraumatic subarachnoid hemorrhage from left carotid siphon and bifurcation
    BillableMCC248
  5. I60.1
    Nontraumatic subarachnoid hemorrhage from middle cerebral artery
    Header
  6. I60.10
    Nontraumatic subarachnoid hemorrhage from unspecified middle cerebral artery
    BillableMCC248
  7. I60.11
    Nontraumatic subarachnoid hemorrhage from right middle cerebral artery
    BillableMCC248
  8. I60.12
    Nontraumatic subarachnoid hemorrhage from left middle cerebral artery
    BillableMCC248
  9. I60.2
    Nontraumatic subarachnoid hemorrhage from anterior communicating artery
    BillableMCC248
  10. I60.3
    Nontraumatic subarachnoid hemorrhage from posterior communicating artery
    Header
  11. I60.30
    Nontraumatic subarachnoid hemorrhage from unspecified posterior communicating artery
    BillableMCC248
  12. I60.31
    Nontraumatic subarachnoid hemorrhage from right posterior communicating artery
    BillableMCC248
  13. I60.32
    Nontraumatic subarachnoid hemorrhage from left posterior communicating artery
    BillableMCC248
  14. I60.4
    Nontraumatic subarachnoid hemorrhage from basilar artery
    BillableMCC248
  15. I60.5
    Nontraumatic subarachnoid hemorrhage from vertebral artery
    Header
  16. I60.50
    Nontraumatic subarachnoid hemorrhage from unspecified vertebral artery
    BillableMCC248
  17. I60.51
    Nontraumatic subarachnoid hemorrhage from right vertebral artery
    BillableMCC248
  18. I60.52
    Nontraumatic subarachnoid hemorrhage from left vertebral artery
    BillableMCC248
  19. I60.6
    Nontraumatic subarachnoid hemorrhage from other intracranial arteries
    BillableMCC248
  20. I60.7
    Nontraumatic subarachnoid hemorrhage from unspecified intracranial artery
    BillableMCC248
    Inclusion terms 4, Excludes1 1

    Inclusion terms

    • Ruptured (congenital) berry aneurysm
    • Ruptured (congenital) cerebral aneurysm
    • Subarachnoid hemorrhage (nontraumatic) from cerebral artery NOS
    • Subarachnoid hemorrhage (nontraumatic) from communicating artery NOS

    Excludes1

    • berry aneurysm, nonruptured (I67.1) I67.1
  21. I60.8
    Other nontraumatic subarachnoid hemorrhage
    BillableMCC248
    Inclusion terms 2

    Inclusion terms

    • Meningeal hemorrhage
    • Rupture of cerebral arteriovenous malformation
  22. I60.9
    Nontraumatic subarachnoid hemorrhage, unspecified
    BillableMCC248

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At I60

Excludes1

  • syphilitic ruptured cerebral aneurysm (A52.05) A52.05

Excludes2

  • sequelae of subarachnoid hemorrhage (I69.0-) I69.0

Use additional code

  • code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-) R29.7

Notes that also apply

Block I60-I69 instructions (Excludes1 1, Use additional code 8): printed on the block page.

Chapter 9 instructions (Excludes2 10): printed on the chapter 9 page.

Index entries

  • Rupture, rupturedcircle of Willis → I60.6
  • Anastomosisarteriovenous ruptured brain → I60.8
  • Hemorrhage, hemorrhagic (concealed)membrane (brain) → I60.8
  • Hemorrhage, hemorrhagic (concealed)meninges, meningeal (brain) (middle) → I60.8
  • Rupture, rupturedmeningeal artery → I60.8
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular)carotid artery (common) (external)ruptured into brain → I60.0-
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular)circle of Willisruptured → I60.6
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular)berry (congenital) (nonruptured)ruptured → I60.7
  • Anastomosisarteriovenous ruptured brainsubarachnoid → I60.8
  • Hemorrhage, hemorrhagic (concealed)intracranial (nontraumatic)subarachnoid (nontraumatic) (from) → I60.9
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular)circle of Williscongenitalruptured → I60.6
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular)brainberry (congenital) (nonruptured)ruptured → I60.7
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular)braincongenitalruptured → I60.7
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular)brainmiliary (congenital) (nonruptured)ruptured → I60.7
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular)congenital (peripheral)brainruptured → I60.7
  • Hemorrhage, hemorrhagic (concealed)intracranial (nontraumatic)subarachnoid (nontraumatic) (from)intracranial (cerebral) artery → I60.7
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular)arteriovenous (congenital)brainruptured → I60.8
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular)brainmeningesruptured → I60.8
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular)cavernous sinusarteriovenous (congenital) (nonruptured)ruptured → I60.8
  • Fistula (cutaneous)arteriovenous (acquired) (nonruptured)brainruptured → I60.8
  • Hemorrhage, hemorrhagic (concealed)intracranial (nontraumatic)subarachnoid (nontraumatic) (from)specified NEC → I60.8
  • Malformation (congenital)arteriovenous, aneurysmatic (congenital)brainruptured → I60.8
  • Hemorrhage, hemorrhagic (concealed)intracranial (nontraumatic)subarachnoid (nontraumatic) (from)intracranial (cerebral) arterycarotid siphon and bifurcation → I60.0-
  • Hemorrhage, hemorrhagic (concealed)intracranial (nontraumatic)subarachnoid (nontraumatic) (from)intracranial (cerebral) arterymiddle cerebral → I60.1-
  • Hemorrhage, hemorrhagic (concealed)intracranial (nontraumatic)subarachnoid (nontraumatic) (from)intracranial (cerebral) arteryanterior communicating → I60.2
  • Hemorrhage, hemorrhagic (concealed)intracranial (nontraumatic)subarachnoid (nontraumatic) (from)intracranial (cerebral) arteryposterior communicating → I60.3-
  • Hemorrhage, hemorrhagic (concealed)intracranial (nontraumatic)subarachnoid (nontraumatic) (from)intracranial (cerebral) arterybasilar → I60.4
  • Hemorrhage, hemorrhagic (concealed)intracranial (nontraumatic)subarachnoid (nontraumatic) (from)intracranial (cerebral) arteryvertebral → I60.5-
  • Hemorrhage, hemorrhagic (concealed)intracranial (nontraumatic)subarachnoid (nontraumatic) (from)intracranial (cerebral) arteryspecified artery NEC → I60.6
  • Hemorrhage, hemorrhagic (concealed)intracranial (nontraumatic)subarachnoid (nontraumatic) (from)intracranial (cerebral) arterycommunicating → I60.7
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular)arteriovenous (congenital)brainrupturedsubarachnoid → I60.8
  • Fistula (cutaneous)arteriovenous (acquired) (nonruptured)brainrupturedsubarachnoid → I60.8
  • Malformation (congenital)arteriovenous, aneurysmatic (congenital)brainrupturedsubarachnoid → I60.8
  • Hemorrhage, hemorrhagic (concealed)intracranial (nontraumatic)subarachnoid (nontraumatic) (from)intracranial (cerebral) arterycommunicatinganterior → I60.2
  • Hemorrhage, hemorrhagic (concealed)intracranial (nontraumatic)subarachnoid (nontraumatic) (from)intracranial (cerebral) arterycommunicatingposterior → I60.3-

NCHS Alphabetic Index. Index first, then the Tabular List.

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