I69.018 — Other symptoms and signs involving cognitive functions following nontraumatic subarachnoid hemorrhage

Billable

Is I69.018 billable?

Yes — I69.018 is billable for FY2027. I69.018 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. I69.018 may be submitted for encounters from October 1, 2026 through September 30, 2027.

I69.018 at a glance

Code	I69.018
Description	Other symptoms and signs involving cognitive functions following nontraumatic subarachnoid hemorrhage
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does I69.018 group to?

I69.018 sits in MDC 01 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

056Degenerative Nervous System Disorders with MCCmedical
057Degenerative Nervous System Disorders without MCCmedical

How is I69.018 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to I69.018. They show the wording a clinician may have documented, which often differs from the Tabular description.

Deficit › cognitive NEC › following › nontraumatic › subarachnoid hemorrhage

Excludes1 — never code together — inherited from I60-I69

The conditions below can never be reported together with I69.018 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

traumatic intracranial hemorrhage (S06.-)

Excludes1 — never code together — inherited from I69

The conditions below can never be reported together with I69.018 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

personal history of cerebral infarction without residual deficit (Z86.73)
personal history of prolonged reversible ischemic neurologic deficit (PRIND) (Z86.73)
personal history of reversible ischemic neurologcial deficit (RIND) (Z86.73)
sequelae of traumatic intracranial injury (S06.-)

Use additional code — inherited from I60-I69

Report an additional code alongside I69.018 to fully describe the condition. I69.018 is sequenced first.

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)

Excludes2 — not included here — inherited from Chapter 9

The conditions below are not part of I69.018, but a patient may have both at the same time. When documentation supports it, I69.018 and the excluded code may both be reported.

certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
systemic connective tissue disorders (M30-M36)
transient cerebral ischemic attacks and related syndromes (G45.-)

How long has I69.018 existed?

I69.018 first appears in FY2018 (FY2017 is not available, so it may have appeared then).

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.