Crystal's Coder Hub🧬 ICD-10 CM I69.398 — Other Sequelae of Cerebral Infarction
Billable Code Confirmed
ICD-10 CM I69.398 is a valid, billable 7-character ICD-10-CM diagnosis code for FY2026. Characters 1-3 (I69) define the category (sequelae of cerebrovascular disease), character 4 (.3) narrows to sequelae of cerebral infarction specifically, character 5 (9) identifies the “other sequelae” subcategory, and characters 6-7 (98) specify this as the catch-all “other” code within that subcategory. No additional characters are required or available.
Non-Billable Parent Codes — Never Submit These
- ❌
I69— 3-character header — missing type of cerebrovascular sequela, side, and specificity- ❌
I69.3— 4-character header — missing sequela type and specificity- ❌
I69.39— 5-character header — missing final specificity digitsAlways submit I69.398 (all 7 characters) when cerebral infarction sequelae are documented but do not fit a more specific subcategory under I69.39.
Clinical Context: " Other" Does Not Mean Unspecified — It Means Not Elsewhere Classified
ICD-10-CM I69.398 is the correct code when the residual neurological deficit following a prior cerebral infarction is documented but cannot be classified under any of the more specific I69.39x sibling codes (apraxia, dysphagia, facial weakness, or ataxia). Common examples include documented alteration of sensation, disturbance of vision, or other residual deficits following stroke. A “Use Additional Code” instruction is attached — always add a code to identify the specific sign or symptom of the sequela (e.g., R20.-, R44.-, R41.3).
Code Classification
ICD-10-CM Diagnosis Code — wRVU, assistant payable status, and global period fields are not applicable to diagnosis codes. For procedures performed during the inpatient encounter to address stroke sequelae, refer to the ICD-10-PCS Crosswalk section. For profee and outpatient procedure billing associated with this diagnosis, see the Commonly Associated CPT Codes section.
🔍 Code Description
ICD-10 CM I69.398 classifies other sequelae of cerebral infarction — meaning the residual neurological or functional deficits that persist or emerge following a completed ischemic stroke (cerebral infarction), where those deficits fall outside the more specific I69.39x subcategory designations. This code is POA (Present on Admission) exempt because by definition it represents a late effect, not a condition that could be “present at admission” in the traditional sense.
Cerebral infarction results from ischemic interruption of blood flow to a region of the brain — most commonly due to thromboembolism, atherosclerotic occlusion, or cardioembolism — causing neuronal death and permanent or semi-permanent functional impairment. The sequelae captured by I69.398 include alterations of sensation (paresthesia, numbness, dysesthesia), disturbances of vision not elsewhere classified, and any other residual deficit arising directly from the infarction event that a provider has documented. Per ICD-10-CM Official Guidelines Section I.C.9.d.1, sequelae of cerebrovascular disease may be present from onset or may arise at any time after the acute infarction, making this code applicable regardless of how much time has passed since the original stroke.
🌳 Code Tree / Hierarchy
I69 Sequelae of cerebrovascular disease ❌ Non-billable
│
├── I69.0 Sequelae of nontraumatic subarachnoid hemorrhage ❌ Non-billable
├── I69.1 Sequelae of nontraumatic intracerebral hemorrhage ❌ Non-billable
├── I69.2 Sequelae of other nontraumatic intracranial hemorrhage ❌ Non-billable
│
├── I69.3 Sequelae of cerebral infarction ❌ Non-billable
│ │
│ ├── I69.30 Unspecified sequelae of cerebral infarction ✅ Billable
│ ├── I69.31x Cognitive deficits following cerebral infarction ❌ Non-billable header
│ │ ├── I69.310 Attention and concentration deficit following CI ✅ Billable
│ │ ├── I69.311 Memory deficit following CI ✅ Billable
│ │ ├── I69.312 Visuospatial deficit and spatial neglect following CI ✅ Billable
│ │ ├── I69.313 Psychomotor deficit following CI ✅ Billable
│ │ ├── I69.314 Frontal lobe and executive function deficit following CI ✅ Billable
│ │ ├── I69.315 Cognitive social or emotional deficit following CI ✅ Billable
│ │ └── I69.318 Other symptoms/signs involving cognitive functions following CI ✅ Billable
│ ├── I69.32x Speech and language deficits following CI ❌ Non-billable header
│ │ ├── I69.320 Aphasia following CI ✅ Billable
│ │ ├── I69.321 Dysphasia following CI ✅ Billable
│ │ ├── I69.322 Dysarthria following CI ✅ Billable
│ │ ├── I69.323 Fluency disorder following CI ✅ Billable
│ │ └── I69.328 Other speech and language deficits following CI ✅ Billable
│ ├── I69.33x Monoplegia of upper limb following CI (laterality-specific) ✅ Billable
│ ├── I69.34x Monoplegia of lower limb following CI (laterality-specific) ✅ Billable
│ ├── I69.35x Hemiplegia/hemiparesis following CI (laterality-specific) ✅ Billable
│ ├── I69.36x Other paralytic syndrome following CI ✅ Billable
│ ├── I69.39 Other sequelae of cerebral infarction ❌ Non-billable header
│ │ ├── I69.390 Apraxia following cerebral infarction ✅ Billable
│ │ ├── I69.391 Dysphagia following cerebral infarction ✅ Billable
│ │ ├── I69.392 Facial weakness following cerebral infarction ✅ Billable
│ │ ├── I69.393 Ataxia following cerebral infarction ✅ Billable
│ │ └── I69.398 Other sequelae of cerebral infarction ◀ THIS CODE ✅ Billable
│
├── I69.8 Sequelae of other cerebrovascular diseases ❌ Non-billable
└── I69.9 Sequelae of unspecified cerebrovascular diseases ❌ Non-billable
Code I69.398 Only After Exhausting More Specific Siblings
Before assigning I69.398, review the full I69.39x and I69.3xx code set. If documentation supports apraxia → use I69.390; dysphagia → I69.391; facial weakness → I69.392; ataxia → I69.393; hemiplegia/hemiparesis → I69.35x; cognitive deficits → I69.31x; speech/language deficits → I69.32x. I69.398 is appropriate only when the documented sequela genuinely does not fit any of these more specific options. Specificity captures complexity and supports DRG accuracy.
✅ Includes
The following clinical terms and scenarios map to I69.398 when documented as sequelae of a prior cerebral infarction:
- Alteration of sensation following cerebral infarction (paresthesia, hypoesthesia, dysesthesia)
- Disturbance of vision following cerebral infarction (visual field defect, diplopia NOS, blurred vision post-stroke)
- Residual weakness without further specification of site or dominant/nondominant side following a CVA
- Other neurological deficit following ischemic stroke not classifiable to I69.30-I69.393
- Post-stroke sensory changes documented without specificity as to type or side
❌ Excludes
Excludes 1 — Cannot Be Coded Simultaneously with I69.398
| Code | Description | Note |
|---|---|---|
| Z86.73 | Personal history of cerebral infarction without residual deficit | Mutually exclusive — Z86.73 is used only when there are NO residual deficits. If any sequela is documented, use I69.398 (or a more specific I69.3xx code), NOT Z86.73 |
| Z86.73 | Personal history of prolonged reversible ischemic neurologic deficit (PRIND) | Same code — PRIND without residual → Z86.73; PRIND with residual → I69.3xx |
| Z86.73 | Personal history of reversible ischemic neurological deficit (RIND) | Same rule as PRIND above |
| S06.- | Sequelae of traumatic intracranial injury | Traumatic brain injury sequelae are coded from S06.- category, not I69.- |
Excludes 1 Violation Risk
The most common error is assigning both I69.398 and Z86.73 simultaneously. These are mutually exclusive: Z86.73 is appropriate only when the patient has a history of stroke with zero residual deficits. The moment any sequela is documented — even vague weakness or sensory change — Z86.73 is incorrect and I69.398 (or a more specific I69.3xx code) must be used instead.
Excludes 2 — May Be Coded in Addition if Separately Present
| Code | Description | Note |
|---|---|---|
| No formal Excludes 2 listed under I69.398 | — | Standard comorbidities and additional diagnoses may be coded concurrently per standard ICD-10-CM guidelines |
📋 Clinical Overview
Sequela Specificity — Choosing the Right I69.39x Code
Accurate code selection within the I69.39 subcategory depends entirely on documentation specificity. The table below illustrates how the same category of “other sequelae” is differentiated:
| Feature | I69.398 — Other NEC | I69.391 — Dysphagia | I69.390 — Apraxia | I69.393 — Ataxia |
|---|---|---|---|---|
| Documentation Trigger | Sensation change, vision disturbance, residual NOS | Swallowing difficulty documented | Motor planning deficit documented | Balance/coordination deficit documented |
| Use Additional Code? | ✅ Yes — identify the specific sequela | ✅ Yes — R13.1- for dysphagia type | ❌ Not required | ❌ Not required |
| Common Setting | PMR, SNF, outpatient neurology | Inpatient rehab, acute care | PMR, occupational therapy | PMR, neurology, physical therapy |
| HCC-Mapped (v28)? | ❌ No | ❌ No | ❌ No | ❌ No |
| POA Exempt? | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
CDI Query Trigger — Vague "Weakness" Post-Stroke
When documentation reads “residual weakness due to past CVA” without specifying site or side, I69.398 + R53.1 is a defensible code combination per Humana coding guidance. However, a CDI query should be initiated to clarify: (1) the specific type of deficit (hemiplegia? monoplegia? sensory only?), (2) the affected side (right/left), and (3) dominant vs. nondominant designation. Specificity may allow reassignment to I69.33x, I69.34x, or I69.35x, which more accurately captures the patient’s functional burden.
Manifestations & Symptom Burden
Common residual deficits coded additionally with I69.398 to identify the specific sequela:
- Alteration of sensation: R20.0 (anesthesia of skin), R20.1 (hypoesthesia of skin), R20.2 (paraesthesia of skin), R20.3 (hyperesthesia)
- Disturbance of vision: H53.10-H53.19 (subjective visual disturbances), H53.40-H53.469 (visual field defects), H53.8 (other visual disturbances)
- Unspecified residual weakness: R53.1 (weakness), combined with I69.398 when no more specific paralysis/paresis code applies
- Pain post-stroke (central pain syndrome): G89.29 (other chronic pain) or G89.3 (neoplasm-related, not applicable here) — document carefully
- Cognitive symptoms not elsewhere classified: If cognition is affected, evaluate I69.31x subcategory first
Coding Manifestations
Per ICD-10-CM Official Guideline I.C.9.d.1, always code the documented manifestations/sequelae to fully capture the patient’s clinical complexity. Examples:
- R20.2 — Paraesthesia of skin (sensation change post-stroke)
- H53.10 — Unspecified subjective visual disturbances
- R53.1 — Weakness (when hemiplegia/paresis not documented with specificity)
💰 HCC Risk Adjustment (CMS-HCC v28)
| Field | Detail |
|---|---|
| CMS-HCC Model Version | v28 (Fully implemented Payment Year 2026) |
| HCC Assignment | ❌ Not HCC-Mapped |
| HCC Category | N/A |
| RAF Coefficient | N/A — $0.00 risk contribution |
| I69.398 does not map to an HCC under CMS-HCC v28, which is fully operational for payment year 2026. |
No RAF Value — But Don't Skip Documentation
While I69.398 carries no direct RAF contribution under v28, it is still clinically important to document accurately. It may appear on quality measures, care management flags, and risk-stratification tools outside the CMS-HCC model. For payers using HHS-HCC models (exchange plans), mapping may differ. When documentation supports a more specific I69.3xx code, query for specificity — some sibling codes may carry different payer-model weight depending on the plan type.
🏥 MS-DRG Assignment
MDC 01 — Diseases and Disorders of the Nervous System
| DRG | Title | Est. Relative Weight* |
|---|---|---|
| DRG 064 | Intracranial Hemorrhage or Cerebral Infarction with MCC | ~1.75 - 2.10 |
| DRG 065 | Intracranial Hemorrhage or Cerebral Infarction with CC | ~1.00 - 1.25 |
| DRG 066 | Intracranial Hemorrhage or Cerebral Infarction without CC/MCC | ~0.70 - 0.85 |
Approximate. Verify against IPPS FY2026 Final Rule tables (MS-DRG v43).
Sequencing and Complications
When I69.398 is the principal diagnosis on an inpatient claim, the admission groups into the DRG 064-066 family under MDC 01. The final DRG tier depends on whether a CC or MCC is present as a secondary diagnosis. When I69.398 is sequenced secondarily, it does not function as a CC or MCC on its own and will not independently elevate DRG weight. In inpatient rehab (IRF) and LTAC settings, I69.398 frequently appears as a secondary code alongside a rehabilitation or complication-driven principal; ensure sequencing reflects the condition chiefly responsible for the admission.
🔗 Related ICD-10-CM Codes
Other Sequelae of Cerebral Infarction — I69.39x Siblings
| Code | Description |
|---|---|
| I69.398 | Other sequelae of cerebral infarction ← This Code |
| I69.390 | Apraxia following cerebral infarction |
| I69.391 | Dysphagia following cerebral infarction |
| I69.392 | Facial weakness following cerebral infarction |
| I69.393 | Ataxia following cerebral infarction |
Broader Sequelae of Cerebral Infarction — I69.3x Category
| Code | Description |
|---|---|
| I69.30 | Unspecified sequelae of cerebral infarction |
| I69.320 | Aphasia following cerebral infarction |
| I69.321 | Dysphasia following cerebral infarction |
| I69.322 | Dysarthria following cerebral infarction |
| I69.351 | Hemiplegia/hemiparesis following cerebral infarction, right dominant side |
| I69.352 | Hemiplegia/hemiparesis following cerebral infarction, left non-dominant side |
| I69.391 | Dysphagia following cerebral infarction |
History vs. Sequela — The Z86.73 Distinction
| Code | Description |
|---|---|
| Z86.73 | Personal history of TIA and cerebral infarction without residual deficit — use when NO sequelae remain |
| I69.398 | Other sequelae of cerebral infarction — use when ANY residual deficit is documented ← This Code |
🛠️ Commonly Associated CPT Codes (Neurology / PMR / Outpatient)
Outpatient, Profee, and Rehab Setting Context
I69.398 most commonly appears in outpatient neurology, physical medicine & rehabilitation (PMR), SNF, and LTAC settings where ongoing management of post-stroke residual deficits is being billed. E/M codes are the primary profee codes associated with this diagnosis. Therapy and evaluation codes are common in the rehab/SNF environment.
| CPT Code | Description | Profee Coding Notes |
|---|---|---|
| 99213 | Office visit, established patient, low-moderate MDC | Stroke sequelae support moderate MDC; document ongoing management of residual deficits |
| 99214 | Office visit, established patient, moderate MDC | Use when chronic stroke sequelae are actively managed with independent interpretation of data or risk |
| 99215 | Office visit, established patient, high MDC | Appropriate when high complexity decision-making is documented for multi-system post-stroke burden |
| 97165 | Occupational therapy evaluation, low complexity | Commonly paired when apraxia, ADL deficits, or sensory changes are being assessed |
| 97110 | Therapeutic exercises | Paired with I69.398 in outpatient rehab for post-stroke motor/sensory rehabilitation |
| 92540 | Basic vestibular evaluation | May be associated when ataxia or balance deficits are the sequela (consider I69.393 first) |
NCCI Bundling Considerations
- E/M codes (99213-99215) billed on the same date as therapy services (97110, 97530) require that the E/M service be separately identifiable and medically necessary — append Modifier -25 to the E/M code to bypass the bundle.
🔬 ICD-10-PCS Crosswalk (Inpatient Procedures)
When I69.398 is an inpatient diagnosis, these PCS procedure categories are relevant depending on what intervention is performed for the sequela.
| PCS Section | Body System | Root Operation | Clinical Application |
|---|---|---|---|
| F (Physical Rehabilitation and Diagnostic Audiology) | Motor Function | Therapeutic Exercise | Inpatient rehab for post-stroke motor or sensory sequelae — e.g., F07L0MZ (therapeutic exercise, neurological system, rehabilitation) |
| F (Physical Rehabilitation and Diagnostic Audiology) | Activities of Daily Living | ADL Treatment | Occupational therapy inpatient for stroke-related functional deficits — e.g., F08Z0MZ |
| B (Imaging) | Central Nervous System | MRI | Follow-up brain MRI to assess chronic infarction and rule out new pathology — e.g., B030ZZZ |
💊 Coding Scenarios and Examples
Scenario 1 — Outpatient Neurology: Established Patient, Post-Stroke Sensory Deficit
Clinical Vignette: A 71-year-old female with a history of left MCA ischemic stroke 14 months ago presents to neurology follow-up. She continues to report right-sided paresthesia and intermittent visual blurring. Neurological exam demonstrates decreased pin-prick sensation right upper and lower extremities. No new motor deficits. Provider documents: “Ongoing alteration of sensation and visual disturbance as sequelae of prior cerebral infarction. No evidence of recurrent stroke.” MDM: Moderate — chronic condition with ongoing management.
CPT / HCPCS (Profee):
- 99214 — Office visit, established patient, moderate MDC (supports ongoing management of post-stroke sensory deficits with neurologic exam and chronic disease management)
ICD-10-CM Principal/Primary Diagnosis:
- I69.398 — Other sequelae of cerebral infarction (documented alteration of sensation and visual disturbance as direct sequelae of prior infarction)
ICD-10-CM Additional Codes:
- R20.2 — Paraesthesia of skin (identifies the specific sensation alteration sequela per “Use Additional Code” instruction)
- H53.10 — Unspecified subjective visual disturbances (identifies the visual disturbance sequela)
Scenario 2 — Inpatient Rehab Facility (IRF): Post-Stroke Rehab Admission
Clinical Vignette: A 66-year-old male is transferred from acute care to an IRF 10 days after right PCA ischemic stroke. He presents with left-sided visual field defect (homonymous hemianopia), altered sensation left upper extremity, and mild gait instability. The reason for IRF admission is documented as rehabilitation for residual neurological deficits following cerebral infarction. No new acute neurological event.
Principal Diagnosis:
- I69.398 — Other sequelae of cerebral infarction (reason for IRF admission — residual visual and sensory deficits following completed infarction)
Secondary Diagnoses:
- H53.46 — Homonymous bilateral field defects (identifies visual field disturbance sequela)
- R20.2 — Paraesthesia of skin (identifies sensory alteration)
- I10 — Essential hypertension (comorbidity)
- E11.9 — Type 2 diabetes mellitus without complications (comorbidity)
MS-DRG Assignment: Groups to DRG 065 (Intracranial Hemorrhage or Cerebral Infarction with CC) if I10 or E11.9 qualify as CC in the grouper logic — verify with FY2026 MS-DRG v43 CC/MCC tables. Without sufficient CC/MCC, groups to DRG 066.
Scenario 3 — CDI Query: Vague “Stroke Effects” Documentation
Clinical Vignette: A 78-year-old male is admitted to the hospital for a fall with workup. Past medical history includes “CVA two years ago with residual effects.” The admitting H&P states: “Patient with history of stroke, some residual effects, currently followed by outpatient neurology.” No further specificity is provided regarding the nature of the residual effects.
Action / Outcome: The coder cannot assign a specific I69.3xx code based on the vague phrase “some residual effects.” A CDI query should be initiated asking the provider to document the specific nature of the residual neurological deficit(s) — e.g., sensory change, balance problem, weakness, speech issue, cognitive difficulty. The query should also ask whether these residual effects constitute current active conditions being managed during this admission.
Query Response: Provider updates the H&P addendum: “Patient has persistent alteration of sensation right upper extremity and intermittent visual blurring, both residuals of his 2023 cerebral infarction.”
Corrected ICD-10-CM Coding:
- I69.398 — Other sequelae of cerebral infarction (confirmed active residual deficits — sensation and vision — following documented cerebral infarction)
- R20.2 — Paraesthesia of skin (sensation sequela)
- H53.10 — Unspecified subjective visual disturbances (vision sequela)
⚠️ Coding Pitfalls and Tips
| Pitfall or Tip | |
|---|---|
| ❌ | Coding Z86.73 alongside I69.398. These codes are Excludes 1 — mutually exclusive. Z86.73 is only for stroke history with zero residual deficits. Never submit both on the same claim. |
| ❌ | Omitting the “Use Additional Code” instruction. I69.398 carries an explicit instruction to add a code identifying the specific sequela. Submitting I69.398 alone without R20.x, H53.x, R53.1, or another manifestation code is incomplete coding and may trigger payer edits. |
| ❌ | Using I69.398 when a more specific I69.3xx code applies. Always evaluate the full I69.39x sibling list and the broader I69.3xx category before landing on I69.398. Dysphagia → I69.391; facial weakness → I69.392; apraxia → I69.390; ataxia → I69.393; hemiplegia → I69.35x. |
| ❌ | Confusing acute stroke (I63.-) with sequela (I69.398). I63.- codes are for the acute inpatient encounter during which the stroke is occurring. I69.398 is used after the acute episode — in follow-up, outpatient, IRF, SNF, or subsequent inpatient encounters where residual deficits are the reason for care. |
| ✅ | Always apply POA exempt status correctly. I69.398 is POA exempt — do not flag it as POA “Y” or “N” on UB-04 claim forms; leave the POA indicator blank or use the exempt indicator per your facility’s billing guidelines. |
| ✅ | Query for dominant/nondominant side if weakness is present. If documentation describes any degree of motor weakness post-stroke, query whether the affected side is dominant or nondominant — this may allow reassignment to a more specific I69.35x (hemiplegia) or I69.33x/I69.34x (monoplegia) code, better capturing the patient’s functional burden. |
| ✅ | Annual documentation of sequelae supports care management. Even though I69.398 is not HCC-mapped under v28, annual documentation of active post-stroke sequelae ensures continuity of care, accurate problem lists, and compliance with chronic condition management documentation standards. |