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ICD-10 Code R41.81: Age-related cognitive decline

R41.81 is a billable ICD-10 diagnosis code used to classify Age-related cognitive decline in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).

When is it used?

  • May be used when a clinician documents age-related cognitive decline in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
block
R40-R46Symptoms and signs involving cognition, perception, emotional state and behavior
category
R41Other symptoms and signs involving cognitive functions and awareness
category
R41.8Other symptoms and signs involving cognitive functions and awareness
currentR41.8

Official coding notes

Inclusion terms
  • Senility NOS

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

General Physician

Coverage-related procedures and services

CPT 99483high
ASSESSMENT OF AND CARE PLANNING FOR A PATIENT WITH COGNITIVE IMPAIRMENT, REQUIRING AN INDEPENDENT HISTORIAN, IN THE OFFICE OR OTHER OUTPATIENT, HOME OR DOMICILIARY OR REST HOME, WITH ALL OF THE FOLLOWING REQUIRED ELEMENTS: COGNITION-FOCUSED EVALUATION INCLUDING A PERTINENT HISTORY AND EXAMINATION, MEDICAL DECISION MAKING OF MODERATE OR HIGH COMPLEXITY, FUNCTIONAL ASSESSMENT (EG, BASIC AND INSTRUMENTAL ACTIVITIES OF DAILY LIVING), INCLUDING DECISION-MAKING CAPACITY, USE OF STANDARDIZED INSTRUMENTS FOR STAGING OF DEMENTIA (EG, FUNCTIONAL ASSESSMENT STAGING TEST [FAST], CLINICAL DEMENTIA RATING [CDR]), MEDICATION RECONCILIATION AND REVIEW FOR HIGH-RISK MEDICATIONS, EVALUATION FOR NEUROPSYCHIATRIC AND BEHAVIORAL SYMPTOMS, INCLUDING DEPRESSION, INCLUDING USE OF STANDARDIZED SCREENING INSTRUMENT(S), EVALUATION OF SAFETY (EG, HOME), INCLUDING MOTOR VEHICLE OPERATION, IDENTIFICATION OF CAREGIVER(S), CAREGIVER KNOWLEDGE, CAREGIVER NEEDS, SOCIAL SUPPORTS, AND THE WILLINGNESS OF CAREGIVER TO TAKE ON CAREGIVING TASKS, DEVELOPMENT, UPDATING OR REVISION, OR REVIEW OF AN ADVANCE CARE PLAN, CREATION OF A WRITTEN CARE PLAN, INCLUDING INITIAL PLANS TO ADDRESS ANY NEUROPSYCHIATRIC SYMPTOMS, NEURO-COGNITIVE SYMPTOMS, FUNCTIONAL LIMITATIONS, AND REFERRAL TO COMMUNITY RESOURCES AS NEEDED (EG, REHABILITATION SERVICES, ADULT DAY PROGRAMS, SUPPORT GROUPS) SHARED WITH THE PATIENT AND/OR CAREGIVER WITH INITIAL EDUCATION AND SUPPORT. TYPICALLY, 60 MINUTES OF TOTAL TIME IS SPENT ON THE DATE OF THE ENCOUNTER
Source: CMS coverage guidance
CPT 96105high
ASSESSMENT OF APHASIA (INCLUDES ASSESSMENT OF EXPRESSIVE AND RECEPTIVE SPEECH AND LANGUAGE FUNCTION, LANGUAGE COMPREHENSION, SPEECH PRODUCTION ABILITY, READING, SPELLING, WRITING, EG, BY BOSTON DIAGNOSTIC APHASIA EXAMINATION) WITH INTERPRETATION AND REPORT, PER HOUR
Source: CMS coverage guidance
CPT 72126high
COMPUTED TOMOGRAPHY, CERVICAL SPINE; WITH CONTRAST MATERIAL
Source: CMS coverage guidance
CPT 72125high
COMPUTED TOMOGRAPHY, CERVICAL SPINE; WITHOUT CONTRAST MATERIAL
Source: CMS coverage guidance
CPT 72127high
COMPUTED TOMOGRAPHY, CERVICAL SPINE; WITHOUT CONTRAST MATERIAL, FOLLOWED BY CONTRAST MATERIAL(S) AND FURTHER SECTIONS
Source: CMS coverage guidance
CPT 70460high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITH CONTRAST MATERIAL(S)
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Age-related cognitive decline

Frequently asked questions

Code details

CodeR41.81
SystemICD10
Display nameAge-related cognitive decline
ChapterSymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
BlockSymptoms and signs involving cognition, perception, emotional state and behavior

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Decline(general)Frailty(frail)Senile, senilitySymptoms NECSymptoms NEC
See also
condition

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code R41.81 for Age-related cognitive decline | HealthAssure