Loading...

    Explore
    • Policy Monitoring
    • Live Policy Feed
    • Billing Codes
    • NPI Medicare & Medicaid
    • Healthcare Providers
    • Health Insurance Payers
    • States
    • Service Lines
    • Taxonomy Codes
    Lookup tools
    • Billing Code Lookup
    • CPT Modifier Lookup
    • Provider Taxonomy Code Lookup
    • Healthcare Provider & Facility Lookup
    • Health Insurance Payer Lookup
    • Payer Contact Directory

    Policy & Benchmark Tools

    • Prior Authorization Lookup
    • Coverage Criteria Lookup
    • Timely Filing Lookup
    • Billing Code Reimbursement Rates
    • Payer Comparison Dashboard
    • Facility Comparison Dashboard
    • All tools

    Company

    • About OpenPayer
    • Data Sources
    • Trek Health
    OpenPayerby Trek Health
    LinkedInYouTube

    © 2026 Trek Health. All rights reserved.

    OpenPayer is built and maintained by Trek Health.

    v1.0.28
    OpenPayerBilling CodesSymptoms and signs involving the nervous and musculoskeletal systemsICD-10-CM r27-other-lack-of-coordination
    Ask Trek AI about this page

    ICD-10-CM Code For Other Lack Of Coordination: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group R27 includes nonspecific coordination disorders such as lack of coordination, ataxia not elsewhere classified, and related impairments in motor control and gait. These ICD-10-CM diagnosis codes are used to document clinical presentations of impaired coordination, balance disturbance, and motor incoordination, capturing functional impact and potential neurological involvement. Accurate coding within the ICD-10-CM R27 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

    Customize your policy alerts

    Sign up for ICD-10-CM Code For Other Lack Of Coordination: Group Overview policy alerts

    Get alerted when relevant policies change without checking for updates manually.

    Monitor payer policy activity

    Receive email alerts as soon as relevant payer policies are published or updated.

    ICD-10-CM R27: Other Lack Of Coordination Overview

    The ICD-10-CM R27 group contains codes for coordination abnormalities such as ataxia, clumsiness, and related nonspecific coordination deficits affecting movement and balance. These diagnoses target the nervous system manifestations that impair motor coordination and gait. Accurate coding matters for clinical records and reimbursement because it communicates functional impairment and supports medical necessity for interventions.

    Table of contents

    Progress1 / 6

    Explore openpayer tools

    • Billing CodesCPT, HCPCS, DRG & more
    • Reimbursement RatesCommercial vs. Medicare rate reports
    • ProvidersHospitals & facilities
    • PayersPlans & market footprint
    • Taxonomy CodesNUCC specialty codes
    • ModifiersCPT modifiers & usage
    • Prior AuthorizationPA policies by payer & drug
    • Timely FilingFiling deadlines by payer
    • Coverage CriteriaMedical necessity by payer
    • Payer ContactsClaims, PA & appeals contacts
    View all tools

    When to Use

    Use a code from this group when a patient presents with documented coordination deficits, clumsiness, ataxia, or gait disturbances without a more specific etiologic diagnosis. Select the R27 code when clinical documentation describes the coordination impairment itself rather than a specific neurologic disease that explains it.

    ICD-10-CM Codes

    3 rows

    ICD-10-CM CodeDescription
    R27.0Ataxia, unspecified
    R27.8Other lack of coordination
    R27.9Unspecified lack of coordination

    DRG Codes

    3 rows

    DRG CodeDescription
    091Other Disorders of Nervous System with MCC
    092Other Disorders of Nervous System with CC
    093Other Disorders of Nervous System without CC/MCC

    Typical Clinical Scenarios

    • An elderly patient with progressive gait instability over months presents to primary care after multiple near-falls and difficulty performing quick adjustments when tripping; there is no focal weakness or sensory loss on exam but coordination testing shows truncal ataxia and broad-based gait. A diagnosis from this group is assigned to capture the non-specific lack of coordination contributing to fall risk and functional decline. Typical codes: R27.0, R27.9
    • A middle-aged patient arrives at the emergency department after acute onset clumsiness and unsteady movements following a minor head trauma; imaging excludes intracranial hemorrhage and focal stroke, and exam demonstrates acute dyscoordination without clear cerebellar infarct. A code from this group is used to document the acute lack of coordination identified during the ED evaluation while further neurologic workup is pending. Typical codes: R27.8, R27.0
    • A patient with advanced Parkinson disease is seen in neurology clinic for worsening motor control with increased episodes of poor coordination interfering with activities of daily living despite optimized dopaminergic therapy; coordination testing reveals marked dysmetria and bradykinesia-related incoordination. A diagnosis from this group is recorded as a comorbidity to describe the patient’s persistent coordination impairment contributing to disability. Typical codes: R27.8, R27.9

    Related Codes

    R25-ABNORMAL-INVOLUNTARY-MOVEMENTS

    ICD-10-CM Code For Abnormal Involuntary Movements: Group Overview

    R26-ABNORMALITIES-OF-GAIT-AND-MOBILITY

    ICD-10-CM Code For Abnormalities Of Gait And Mobility: Group Overview

    R29-OTHER-SYMPTOMS-NERVOUS-MUSCULOSKELETAL

    ICD-10-CM Code For Other Symptoms And Signs Involving The Nervous And Musculoskeletal Systems: Group Overview

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
    Published by

    Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

    Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.