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I69.865 ICD-10-CM Code: Other paralytic syndrome following other cerebrovascular disease, bilateral

I69.865 maps to CMS-HCC V28 254. A source-labeled RAF reference is available. Confirm the documented diagnosis and applicable coding requirements. MEAT criteria · RAF Calculator · HCC Buddy coding tools

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Code lookupI69.865

FY 2026 Apr update / Diseases of the circulatory system (I00-I99) / Cerebrovascular diseases (I60-I69)

I69.865

Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidance

Other paralytic syndrome following other cerebrovascular disease, bilateral

Weakness or loss of movement on both sides of the body resulting from a stroke or other brain blood vessel disease.

Buddy the Bee presenting code insight

Buddy Insight

Other paralytic syndromes following other cerebrovascular disease capture residual motor deficits that do not fit the classic patterns of hemiplegia or monoplegia, such as locked-in syndrome, quadriplegia, or atypical paralytic presentations following cerebrovascular events.

CMS-HCC V28

HCC 254

Code-level coefficient reference

CMS-HCC V24

Historical

Historical

Not used for CY2026 payment

ACA/HHS

HCC 151

Code-level coefficient reference

ESRD/PACE

HCC 104

Code-level coefficient reference

RXHCC

N/A

Not mapped

Inclusion Terms

Official

No inclusion terms are included in this display for I69.865. Check the code and parent instructions in the Code Book.

Excludes 2

Official
  • certain conditions originating in the perinatal period (P04-P96)Inherited from I00-I99
  • certain infectious and parasitic diseases (A00-B99)Inherited from I00-I99
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)Inherited from I00-I99
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Inherited from I00-I99
  • endocrine, nutritional and metabolic diseases (E00-E88)Inherited from I00-I99
  • injury, poisoning and certain other consequences of external causes (S00-T88)Inherited from I00-I99
  • neoplasms (C00-D49)Inherited from I00-I99
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)Inherited from I00-I99
  • systemic connective tissue disorders (M30-M36)Inherited from I00-I99
  • transient cerebral ischemic attacks and related syndromes (G45.-)Inherited from I00-I99

Includes

Official

No Includes notes are included in this display for I69.865. Check the code and parent instructions in the Code Book.

Excludes 1

Official
  • traumatic intracranial hemorrhage (S06.-)Inherited from I60-I69, I69, I69.8, I69.86
  • personal history of cerebral infarction without residual deficit (Z86.73)Inherited from I60-I69, I69, I69.8, I69.86
  • personal history of prolonged reversible ischemic neurologic deficit (PRIND) (Z86.73)Inherited from I60-I69, I69, I69.8, I69.86
  • personal history of reversible ischemic neurologcial deficit (RIND) (Z86.73)Inherited from I60-I69, I69, I69.8, I69.86
  • sequelae of traumatic intracranial injury (S06.-)Inherited from I60-I69, I69, I69.8, I69.86
  • hemiplegia/hemiparesis following other cerebrovascular disease (I69.85-)Inherited from I60-I69, I69, I69.8, I69.86
  • monoplegia of lower limb following other cerebrovascular disease (I69.84-)Inherited from I60-I69, I69, I69.8, I69.86
  • monoplegia of upper limb following other cerebrovascular disease (I69.83-)Inherited from I60-I69, I69, I69.8, I69.86

Code First

Official

No Code First sequencing instructions are included in this display for I69.865. Check the code and parent instructions in the Code Book.

Use Additional

Official
  • code to identify presence of:Inherited from I60-I69, I69.86
  • alcohol abuse and dependence (F10.-)Inherited from I60-I69, I69.86
  • exposure to environmental tobacco smoke (Z77.22)Inherited from I60-I69, I69.86
  • history of tobacco dependence (Z87.891)Inherited from I60-I69, I69.86
  • hypertension (I10-I1A)Inherited from I60-I69, I69.86
  • occupational exposure to environmental tobacco smoke (Z57.31)Inherited from I60-I69, I69.86
  • tobacco dependence (F17.-)Inherited from I60-I69, I69.86
  • tobacco use (Z72.0)Inherited from I60-I69, I69.86
  • code to identify type of paralytic syndrome, such as:Inherited from I60-I69, I69.86
  • locked-in state (G83.5)Inherited from I60-I69, I69.86
  • quadriplegia (G82.5-)Inherited from I60-I69, I69.86

Code Also

Official

No Code Also instructions are included in this display for I69.865. Check the code and parent instructions in the Code Book.

Buddy Documentation Tip

HCC Buddy guidance
Documentation of the specific type of prior cerebrovascular event (stroke, hemorrhage, or other cerebrovascular disease) that caused the sequela
Clear statement establishing a causal relationship between the prior cerebrovascular event and the current neurological deficit
Documentation that the condition is a late effect or sequela, not an acute or evolving stroke
Description of the specific paralytic pattern (e.g., quadriplegia, locked-in syndrome, or other specified pattern) that distinguishes this from hemiplegia or monoplegia

MEAT Support

HCC Buddy guidance
Documentation of the specific type of prior cerebrovascular event (stroke, hemorrhage, or other cerebrovascular disease) that caused the sequela
Clear statement establishing a causal relationship between the prior cerebrovascular event and the current neurological deficit
Documentation that the condition is a late effect or sequela, not an acute or evolving stroke
Description of the specific paralytic pattern (e.g., quadriplegia, locked-in syndrome, or other specified pattern) that distinguishes this from hemiplegia or monoplegia

Audit Caution

HCC Buddy guidance
Defaulting to 'other paralytic syndrome' when the documentation actually describes hemiplegia or monoplegia — always verify the paralytic pattern before selecting this category
Coding an acute cerebrovascular event when the condition is actually a sequela — I69.x codes are exclusively for late effects, not the initial stroke episode
Using 'other cerebrovascular disease' sequela codes when the underlying cerebrovascular event is actually a cerebral infarction (I69.3x) or intracerebral hemorrhage (I69.1x) — always match the sequela code to the specific type of original cerebrovascular event
Failing to code the sequela relationship — these I69.x codes inherently indicate sequela status, so a separate external cause code with a 7th character 'S' for sequela is not required

Common Mistakes

HCC Buddy guidance
I69.96x — Other paralytic syndrome following unspecified cerebrovascular disease; use when the specific type of cerebrovascular disease is not documented
I69.85x — Hemiplegia/hemiparesis following other cerebrovascular disease; use when the paralysis follows a classic hemiplegic pattern affecting one entire side
I69.84x — Monoplegia of lower limb following other cerebrovascular disease; use when only a single limb is affected
G82.x — Paraplegia and quadriplegia not related to cerebrovascular disease; use for paralysis from spinal cord injury or other non-cerebrovascular causes

Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →

Is I69.865 an HCC code?

Yes. I69.865 (Other paralytic syndrome following other cerebrovascular disease, bilateral) maps to HCC 254, Monoplegia, Other Paralytic Syndromes under the CMS-HCC V28 risk adjustment model, with a source-labeled community non-dual aged reference coefficient of 0.321. Source-labeled code-level coefficients are references, not member totals. Actual contribution depends on complete member context, hierarchy and cleanup rules, interactions, and model year. HCC Buddy's RAF Calculator supports CMS-HCC V28 PY2026 and shows no score unless every required source and calculation check passes. It is billable for payment year 2026.

Coder answer: I69.865 is billable and maps to V28 HCC 254, Monoplegia, Other Paralytic Syndromes. Open it in the Code Book for the tabular path, RAF, and MEAT checklist.

Code
I69.865
Description
Other paralytic syndrome following other cerebrovascular disease, bilateral
HCC (V28)
HCC 254 — Monoplegia, Other Paralytic Syndromes
RAF reference coefficient
0.321
Billable
Yes
Payment year
2026

HCC Category Mapping

V28HCC 254, Monoplegia, Other Paralytic Syndromes
0.321
ESRDHCC 104, Monoplegia/Other Paralytic Syndromes
Not separately weighted

These are source-labeled model coefficients, not member totals. A category may still be removed by hierarchy or model cleanup rules. Weights are not directly comparable across models: CMS-HCC V28 and V24 use Community, Non-Dual, Aged; ESRD uses the dialysis continuing-enrollee model; RxHCC is the Part D continuing-enrollee, non-low-income, aged weight (a larger scale than CMS-HCC). ACA/HHS has no single weight — it varies by metal level. Actual per-patient RAF contribution depends on member context, hierarchy and cleanup rules, interactions, and the model year used by the payer. V28 is the CMS-HCC model phased in over payment years 2024–2026; V24 remains available for historical review.

Work I69.865 in the Code Book — tabular path, V28 RAF reference, and MEAT checklist →

MEAT review for I69.865

For I69.865, confirm that the documentation supports the diagnosis and meets the applicable coding, encounter, program and payer requirements. MEAT (Monitor, Evaluate, Assess, or Treat) is a review mnemonic, not a universal CMS coding rule.

  • MMonitor: signs, symptoms, disease progression, or lab trending documented in the note
  • EEvaluate: test results, medication response, or physical findings reviewed by the provider
  • AAssess: explicit mention in the assessment or plan with acknowledgment of status
  • TTreat: medication, referral, procedure, therapy, or counseling tied to the diagnosis

Coder workflow notes

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What This Code Means

I69.865 is the ICD-10-CM diagnosis code for other paralytic syndrome following other cerebrovascular disease, bilateral. Weakness or loss of movement on both sides of the body resulting from a stroke or other brain blood vessel disease. I69.865 sits in the ICD-10-CM chapter for diseases of the circulatory system (i00-i99), within the section covering cerebrovascular diseases (i60-i69).

Under the CMS-HCC V28 risk adjustment model, I69.865 maps to Monoplegia, Other Paralytic Syndromes (HCC 254) with a source-labeled community, non-dual, aged reference coefficient of 0.321. No V24 mapping is shown for I69.865; use the applicable model and payment year when reviewing the V28 mapping. For CY2026 non-PACE Medicare Advantage, CMS uses 100% of the 2024 CMS-HCC model (V28). PACE uses a separate model blend. Source-labeled code-level coefficients are references, not member totals. Actual contribution depends on complete member context, hierarchy and cleanup rules, interactions, and model year. HCC Buddy's RAF Calculator supports CMS-HCC V28 PY2026 and shows no score unless every required source and calculation check passes.

This code specifically indicates bilateral (both sides) involvement; do not use if paralysis is unilateral. For I69.865, confirm that the documentation supports the diagnosis and meets the applicable coding, encounter, program and payer requirements. MEAT (Monitor, Evaluate, Assess, or Treat) is a review mnemonic, not a universal CMS coding rule. When documentation is ambiguous, coders should issue a provider query rather than assume the highest-specificity variant.

HCC Buddy maintains structured V28 and V24 mapping, source-labeled coefficient references, and MEAT documentation criteria for I69.865 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Coding Tips

  • This code specifically indicates bilateral (both sides) involvement; do not use if paralysis is unilateral
  • Document the specific cerebrovascular event that caused the sequela to ensure accurate code selection

Clinical Significance

Other paralytic syndromes following other cerebrovascular disease capture residual motor deficits that do not fit the classic patterns of hemiplegia or monoplegia, such as locked-in syndrome, quadriplegia, or atypical paralytic presentations following cerebrovascular events. These conditions often require complex, multidisciplinary care including neurological monitoring, physical and occupational therapy, and specialized nursing services. Proper coding ensures these high-acuity, high-resource patients are appropriately reflected in risk adjustment calculations.

Documentation Requirements

  • Documentation of the specific type of prior cerebrovascular event (stroke, hemorrhage, or other cerebrovascular disease) that caused the sequela
  • Clear statement establishing a causal relationship between the prior cerebrovascular event and the current neurological deficit
  • Documentation that the condition is a late effect or sequela, not an acute or evolving stroke
  • Description of the specific paralytic pattern (e.g., quadriplegia, locked-in syndrome, or other specified pattern) that distinguishes this from hemiplegia or monoplegia
  • Documentation confirming bilateral involvement of the paralytic syndrome
  • Current functional status assessment including impact on activities of daily living, mobility, and need for assistive devices or caregiver support
  • Ongoing treatment plan addressing the neurological deficit (physical therapy, occupational therapy, medications, or other interventions)

Commonly Confused Codes

  • I69.96x: Other paralytic syndrome following unspecified cerebrovascular disease; use when the specific type of cerebrovascular disease is not documented
  • I69.85x: Hemiplegia/hemiparesis following other cerebrovascular disease; use when the paralysis follows a classic hemiplegic pattern affecting one entire side
  • I69.84x: Monoplegia of lower limb following other cerebrovascular disease; use when only a single limb is affected
  • G82.x: Paraplegia and quadriplegia not related to cerebrovascular disease; use for paralysis from spinal cord injury or other non-cerebrovascular causes
  • G83.9: Paralytic syndrome, unspecified; use only when the paralysis is not related to a cerebrovascular event

Child Codes

Code Hierarchy

For I69.865, confirm that the documentation supports the diagnosis and meets the applicable coding, encounter, program and payer requirements. MEAT (Monitor, Evaluate, Assess, or Treat) is a review mnemonic, not a universal CMS coding rule.

I69.865 maps to CMS-HCC V28 category 254, Monoplegia, Other Paralytic Syndromes. See the ICD-10 to HCC mapping hub for how the V28 crosswalk works. The mapping identifies a payment HCC category for I69.865. Review its source-labeled HCC coefficient above, check the RAF Calculator with complete member context for CMS-HCC V28 PY2026, and confirm the documentation the chart needs before the code is submitted. HCC Buddy shows no RAF score unless every required source and calculation check passes.

More on I69.865

Related condition guides

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