🧬 ICD-10 CM I69.220 — Aphasia Following Cerebral Infarction

Billable Code Confirmed

ICD-10 CM I69.220 is a complete 7-character code consisting of the category I69 (sequelae of cerebrovascular disease), the subcategory .2 (sequelae of cerebral infarction), and the final characters 20 designating aphasia. There is no further subdivision required, and no 7th-character extension applies to this code set. Because all required characters are present, this code is reportable as a principal or secondary diagnosis on an inpatient claim without triggering an “unspecified” edit.

Non-Billable Parent Codes

I69.2Sequelae of cerebral infarction. This is a category-level code that requires a fourth character to specify the type of sequela (aphasia, dysphagia, hemiplegia, etc.) and cannot stand alone on a claim. I69 — Sequelae of cerebrovascular disease. This is the broadest parent code in the block and requires at minimum a fourth character to identify which cerebrovascular event (infarction, hemorrhage, unspecified stroke) produced the sequela, making it non-billable in isolation.

Clinical Context

The clinical distinction driving I69.220 is the documented presence of a persistent language impairmentwhether expressive, receptive, or global — that the provider explicitly links to a prior cerebral infarction rather than to an acute, ongoing event. This is fundamentally different from coding an acute stroke with aphasia (which would use a code from the I63 family with a manifestation code), because I69.220 signals that the infarction itself has resolved and the aphasia is now a chronic residual deficit. Selection of this code over R47.01 hinges entirely on whether the provider has documented the causal relationship to the prior CVA; without that link, the encoder must default to the unspecified aphasia code, which has no HCC weight.

Code Classification

ICD-10 CM I69.220 is a diagnosis code used to report a late effect (sequela) of a cerebrovascular event and is not itself a procedure code. It is most commonly reported as a secondary diagnosis supporting medical necessity for speech-language pathology, occupational therapy, or neurology evaluation and management services during an inpatient stay.


🔍 Code Description

ICD-10 CM I69.220 captures the residual communication deficit that remains after the acute phase of a I63.9 cerebral infarction has resolved, regardless of how much time has elapsed since the original event. Aphasia itself is a disturbance in the comprehension and/or formulation of language caused by damage to specific brain regions, most commonly the dominant (usually left) hemisphere’s frontal, temporal, and parietal lobes that govern speech production and comprehension. Depending on the location and extent of the original infarct, the resulting aphasia following cerebral infarction may present as expressive (Broca’s), receptive (Wernicke’s), global, or anomic, though I69.220 does not further subdivide by these clinical subtypes — that level of detail is captured in the provider’s documentation but not separately coded. Inpatient coders frequently encounter this code when a patient with a known history of I63.9 is admitted for an unrelated acute condition, and the aphasia is documented as a chronic comorbidity affecting the patient’s ability to participate in care, consent discussions, or rehabilitation planning.

Providers must explicitly state the causal relationship between the current aphasia and the prior infarction, often phrased as “aphasia secondary to old CVA” or “residual aphasia from prior left MCA infarct.” When the documentation instead reads simply “history of stroke” and “aphasia” as two separate, unlinked problems, a coding query is warranted before assigning I69.220, since without the link the more appropriate code may be R47.01. Additionally, when the patient has multiple residual deficits — for example, aphasia and hemiplegia — coders should assign all applicable I69.2xx and I69.3xx combination codes rather than choosing only one, as MS-DRG logic and HCC capture both depend on capturing the full severity of the post-stroke clinical picture.


🌳 Code Tree / Hierarchy

I69 Sequelae of cerebrovascular disease ❌ Non-billable
│
├── I69.0 Sequelae of subarachnoid hemorrhage ❌ Non-billable
├── I69.1 Sequelae of intracerebral hemorrhage ❌ Non-billable
│
├── I69.2 Sequelae of cerebral infarction ❌ Non-billable
│   │
│   ├── I69.210 Attention and concentration deficit following cerebral infarction ✅ Billable
│   ├── I69.220 Aphasia following cerebral infarction ◀ THIS CODE ✅ Billable
│   ├── I69.221 Dysphasia following cerebral infarction ✅ Billable
│   ├── I69.228 Other speech and language deficits following cerebral infarction ✅ Billable
│   └── I69.230 Monoplegia of upper limb following cerebral infarction, affecting right dominant side ✅ Billable
│
├── I69.3 Sequelae of cerebral infarction (alternate grouping in some references) ❌ Non-billable
│
└── I69.9 Sequelae of unspecified cerebrovascular disease ❌ Non-billable

Specificity Matters for Therapy Justification

Choosing I69.220 over the unspecified I69.228 or R47.01 directly affects whether speech-language pathology services will be considered medically necessary by payers, since I69.220 explicitly identifies aphasia as the targeted deficit rather than a vague “other” language disorder.

Tip

When a patient has both aphasia and dysphagia following the same infarction, remember that dysphagia following cerebral infarction is captured separately under I69.291, and both codes should be reported together if both are documented and being actively managed, as this strengthens the clinical picture for therapy services and CC capture.


✅ Includes

  • Aphasia documented as a late effect, residual, or sequela of a prior cerebral infarction (ischemic stroke), regardless of the time interval since the acute event.
  • Expressive (motor/Broca’s) aphasia attributed to a previous cerebral infarction.
  • Receptive (sensory/Wernicke’s) aphasia attributed to a previous cerebral infarction.
  • Global aphasia documented as residual to a completed cerebral infarction.
  • Aphasia identified during an inpatient stay as a chronic comorbidity affecting communication, consent capacity, or discharge planning.
  • “Post-stroke aphasia” or “CVA with residual aphasia” when the provider links the deficit to a prior, resolved infarction rather than an acute event.

❌ Excludes

Excludes 1

ICD-10 CM R47.01Aphasia, unspecified. This code is mutually exclusive with I69.220 because R47.01 is used only when there is no documented causal relationship between the aphasia and a prior cerebrovascular event; once that link is established, I69.220 must be used instead. I69.928 — Other sequelae of unspecified cerebrovascular disease. This is excluded because it applies when the underlying cerebrovascular event causing the sequela is not specified as an infarction (versus hemorrhage or unspecified stroke type), whereas I69.220 specifically requires the documented cause to be a cerebral infarction.

Danger

The most common Excludes 1 error is assigning both R47.01 and I69.220 on the same encounter when the provider has documented “aphasia secondary to old CVA” — in this scenario only I69.220 should be reported, as R47.01 becomes redundant and represents an unspecified version of the more specific code already captured.

Excludes 2

ICD-10 CM F80.2Mixed receptive-expressive language disorder. This developmental code may be reported in addition to I69.220 when a patient has a pre-existing developmental language disorder that coexists with, but is clinically distinct from, the newly acquired post-stroke aphasia, since both conditions independently affect the patient’s communication abilities and care planning.


📋 Clinical Overview

Sequela vs. Acute Manifestation Coding

Understanding when to use I69.220 versus an acute stroke code with aphasia manifestation is one of the most frequent points of confusion in inpatient neurology coding. The key distinction rests entirely on the timing and status of the underlying cerebrovascular event: if the infarction is still the acute, active reason for the current admission, the aphasia is coded as a manifestation of the acute event using codes from the I63 family; if the infarction has already resolved and the patient is now living with a permanent residual deficit, I69.220 is the correct sequela code. The table below contrasts I69.220 with two related codes to illustrate this distinction.

FeatureI69.220I63.9R47.01
Timing of cerebrovascular eventInfarction has fully resolved; aphasia is a permanent residual deficit, often documented months or years after the acute stroke.Infarction is the acute, current reason for admission; aphasia would be coded separately as a manifestation if documented.No temporal relationship to a cerebrovascular event is specified or known at the time of documentation.
Documentation requirementProvider must explicitly link the aphasia to a prior, resolved cerebral infarction using terms like “residual” or “secondary to old CVA.”Provider documents an active, evolving neurological deficit consistent with an acute ischemic event requiring emergent workup.Provider documents aphasia without any reference to a causal cerebrovascular event, whether past or present.
HCC/RAF impactMaps to HCC 104 under CMS-HCC V28, contributing ongoing risk score weight tied to chronic post-stroke disability.Maps to its own acute-phase HCC category reflecting the active inpatient stroke episode and associated severity.No HCC mapping; contributes nothing to risk adjustment despite potentially similar clinical presentation.

Important

A strong CDI trigger for I69.220 is any documentation that mentions “expressive aphasia,” “receptive aphasia,” or “global aphasia” alongside a past medical history entry for stroke or CVA without an explicit causal statement — this combination should prompt a query to clarify whether the aphasia is a residual sequela (supporting I69.220) or an unrelated new finding.

Manifestations & Symptom Burden

  • Word-finding difficulty (anomia), where the patient struggles to retrieve specific nouns or names during conversation, often described by family as “forgetting words.”
  • Impaired auditory comprehension, in which the patient has difficulty following spoken commands or conversations despite normal hearing.
  • Non-fluent, effortful speech production with short, fragmented phrases, frequently seen in Broca-type residual aphasia.
  • Paraphasic errors, where the patient substitutes incorrect words or sounds for intended ones, common in Wernicke-type residual aphasia.
  • Difficulty with reading (alexia) or writing (agraphia) as co-occurring residual deficits alongside spoken language impairment.

Tip

While I69.220 itself does not require the coder to specify which subtype of aphasia (expressive, receptive, global, anomic) is present, capturing the documented manifestations in the chart abstract supports the medical necessity for ongoing speech-language pathology evaluation and treatment, and helps justify continued therapy authorization with payers like UHC and Cigna who often require functional documentation for extended SLP coverage.


💰 HCC Risk Adjustment

Model YearHCC CategoryRAF ContributionAnnual Capture Required
CMS-HCC V28HCC 104 — Vascular Disease with ComplicationsModerate, contributes to overall disease burden scoreYes — must be documented with MEAT each calendar year
CMS-HCC V24 (legacy)HCC 103 — Hemiplegia/Hemiparesis grouping (verify mapping)Variable depending on model crosswalkYes

ICD-10 CM I69.220 contributes meaningfully to a patient’s overall risk score because it signals a permanent, ongoing functional impairment that increases the likelihood of higher resource utilization across the care continuum, including speech-language therapy, cognitive rehabilitation, and increased caregiver dependency. For Medicare Advantage and Medicaid managed care plans (relevant given Wisconsin Medicaid and UHC populations), this code must be re-captured annually with evidence of monitoring or treatment — a provider note stating “aphasia, stable, continues outpatient SLP” satisfies MEAT, whereas a bare problem-list entry does not. Inpatient coders should flag charts where a patient has a documented history of CVA with communication deficits but no current-encounter assessment of that deficit, as this represents a missed capture opportunity that downstream HCC/RAF teams may query retrospectively.


🏥 MS-DRG Assignment

DRGTitleCC/MCC Status
DRG 070Nonspecific CVA and Precerebral Occlusion w/o Infarct w MCCWith MCC
DRG 071Nonspecific CVA and Precerebral Occlusion w/o Infarct w CCWith CC
DRG 072Nonspecific CVA and Precerebral Occlusion w/o Infarct w/o CC/MCCWithout CC/MCC

ICD-10 CM I69.220 itself is classified as neither a CC nor an MCC under most current MS-DRG logic, since it represents a stable, chronic sequela rather than an acutely decompensating condition. Its primary DRG impact is therefore not through direct severity weighting but through supporting the medical necessity of ancillary services (speech-language pathology consults, extended LOS for rehabilitation coordination) that may indirectly affect resource-intensity calculations. The most common sequencing pitfall is attempting to use I69.220 as a principal diagnosis for an inpatient admission, which will almost always fail medical necessity review since a stable chronic sequela rarely justifies acute inpatient-level care on its own — the acute condition prompting admission (e.g., pneumonia, UTI, fall with fracture) should be sequenced as principal, with I69.220 reported as a secondary diagnosis. Coders should also verify that when multiple I69.2xx sequela codes are documented for the same patient, all are reported together rather than selecting only the “primary” deficit, since MS-DRG severity logic and payer risk models both benefit from a complete picture of residual impairment.


Other sequelae of the same cerebral infarction: I69.221, I69.228, I69.230, I69.291, I69.310

Codes for the acute event or alternate aphasia presentations: I63.9, R47.01, F80.2, I69.398


🛠️ Commonly Associated CPT Codes

92523 — Evaluation of speech sound production with evaluation of language comprehension and expression. This is the foundational speech-language pathology evaluation code typically reported when a patient with I69.220 is assessed for the extent and type of aphasia present.

92507 — Treatment of speech, language, voice, communication, and/or auditory processing disorder, individual. This is the standard individual therapy session code billed repeatedly across an inpatient stay or in outpatient follow-up for ongoing aphasia rehabilitation.

92610 — Evaluation of oral and pharyngeal swallowing function. Frequently reported alongside I69.220 when the same cerebral infarction has also produced dysphagia (coded separately as I69.291), since swallow evaluation is a common co-occurring need.

96125 — Standardized cognitive performance testing, with interpretation and report. Used when the aphasia assessment includes formal standardized testing (such as the Western Aphasia Battery) rather than an informal bedside evaluation.

99238/99239 — Hospital discharge day management codes. These become relevant when I69.220 is documented as a discharge diagnosis affecting discharge planning, patient education limitations, and need for caregiver instruction due to the communication barrier.

NCCI Bundling Considerations

Speech-language pathology evaluation codes such as 92523 are generally not bundled with E/M services on the same date when performed by different providers (physician vs. SLP), but coders should verify modifier -59 or -XU usage if both an E/M visit and an SLP evaluation are billed by providers in the same group on the same calendar day. Treatment codes like 92507 are typically billed per-session and are not bundled with evaluation codes when both occur on different dates, but same-day billing of 92523 and 92507 may trigger bundling edits depending on payer-specific policy and should be verified against current NCCI edit tables before submission.


🔬 ICD-10-PCS Crosswalk

ICD-10 CM I69.220 is a diagnosis code and does not have a direct ICD-10-PCS procedure crosswalk, since PCS codes describe inpatient procedures performed rather than diagnoses. However, when a patient with this diagnosis undergoes formal swallow evaluation with imaging (such as a modified barium swallow study), the corresponding PCS code would fall under the Imaging section (Section B), specifically Fluoroscopy of the Gastrointestinal/Upper GI tract, though the exact code depends on the specific anatomical region and contrast used and must be assigned based on the operative/procedure report rather than the diagnosis code itself.


💊 Coding Scenarios and Examples

Scenario 1:

A 78-year-old male with a history of left MCA cerebral infarction three years ago is admitted for community-acquired pneumonia. The admitting note documents “history of CVA with residual expressive aphasia, patient communicates via gestures and single words.” Speech-language pathology is consulted during the stay to assist with communication and swallow safety. Correct coding: J18.9 (principal), I69.220 (secondary). Sequencing explanation: the pneumonia is the acute condition prompting admission and is sequenced as principal, while I69.220 is reported secondary to support the SLP consult and explain communication barriers documented throughout the chart. CDI note: if the chart only states “history of stroke” without linking it to the current aphasia, a query should be sent to confirm the causal relationship before assigning I69.220.

Scenario 2:

A 65-year-old female is admitted for an elective total knee arthroplasty. Past medical history includes a cerebral infarction two years prior with residual global aphasia, currently followed by outpatient speech therapy. The anesthesia and nursing notes document significant difficulty obtaining informed consent and post-operative pain assessment due to the patient’s communication deficit. Correct coding: Z96.652 (principal, knee replacement aftercare not applicable here — actual principal would be the orthopedic procedure code per PCS), I69.220 (secondary), with the underlying surgical PCS code as principal. Sequencing explanation: I69.220 is reported as a relevant secondary diagnosis because it directly affects perioperative care complexity (informed consent process, pain assessment methodology) even though it is unrelated to the surgical reason for admission. CDI note: documentation should reflect how the communication deficit was managed (e.g., “family present to assist with consent due to patient’s known expressive aphasia”).

Scenario 3:

A 70-year-old male with longstanding I69.220 and I69.291 (dysphagia following cerebral infarction) is admitted for an acute exacerbation of aspiration pneumonia. The pulmonology and SLP notes both reference the patient’s known post-stroke aphasia and dysphagia as contributing factors to recurrent aspiration events. Correct coding: J69.0 (principal, pneumonitis due to inhalation of food/vomit), I69.291 (secondary), I69.220 (secondary). Sequencing explanation: the aspiration pneumonitis is principal as the acute reason for admission, while both sequela codes are reported secondary to fully capture the chronic conditions directly contributing to the clinical picture and supporting medical necessity for repeat SLP swallow evaluation. CDI note: this combination strongly supports CC capture if J69.0 itself does not already qualify, depending on payer-specific DRG grouper logic.


⚠️ Coding Pitfalls and Tips

  • Pitfall 1: Coding I69.220 as a principal diagnosis for an inpatient admission.
    • Tip: A stable chronic sequela almost never independently justifies inpatient-level care; always identify the acute condition driving admission and sequence that as principal, with I69.220 as a supporting secondary diagnosis.
  • Pitfall 2: Defaulting to R47.01 when the chart says “aphasia” and “old stroke” in separate sections without a documented causal link.
    • Tip: Query the provider to establish the causal relationship before defaulting to the unspecified code, since this directly affects HCC capture and RAF accuracy.
  • Pitfall 3: Failing to report I69.291 (dysphagia) alongside I69.220 when both are documented as residual to the same infarction.
    • Tip: Sequela codes are not mutually exclusive — report all applicable I69.2xx combination codes to fully capture the post-stroke clinical picture and support therapy medical necessity.
  • Pitfall 4: Assuming I69.220 carries CC/MCC weight on every MS-DRG grouper run.
    • Tip: Verify against the current grouper version, as I69.220 does not universally trigger CC status and its primary value is often in supporting medical necessity for ancillary services rather than direct DRG severity impact.
  • Pitfall 5: Missing annual HCC recapture for patients with longstanding I69.220 who are not actively receiving SLP services.
    • Tip: A bare problem-list entry does not satisfy MEAT; ensure the current encounter documentation includes assessment, monitoring, or treatment language tied to the aphasia.
  • Pitfall 6: Confusing I69.220 with an acute aphasia manifestation code from the I63 family.
    • Tip: I69.220 applies only when the cerebral infarction itself has fully resolved and the aphasia is now a chronic residual — if the infarction is acute and ongoing, the manifestation should be captured through the I63 code set instead.

📚 Sources

1, 2, 3, 4, 5, 6

1. ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Centers for Medicare & Medicaid Services / NCHS
2. ICD-10-CM Tabular List of Diseases and Injuries, FY2026, Centers for Disease Control and Prevention
3. AHA Coding Clinic for ICD-10-CM/PCS, various issues addressing sequelae of cerebrovascular disease
4. CMS-HCC Model V28 Risk Adjustment Mapping Documentation, Centers for Medicare & Medicaid Services
5. MS-DRG Definitions Manual, Version 43, CMS
6. AAPC CIC Study Guide, Inpatient Coding Concepts — Sequelae and Combination Codes