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    Alphabetic Index FY2027
    1. Alphabetic Index
    2. A
    3. Aq–Ar
    4. Arhinencephaly

    Alphabetic Index · main term

    Arhinencephaly

    FY2027Index: Aq–Ar /Alphabetic Index

    Arhinencephaly is a main term in the FY2027 ICD-10-CM Alphabetic Index (Index to Diseases and Injuries). The Index lists Q04.1 for this term: Arhinencephaly. It is a billable code. Confirm any code you find here in the Tabular List before you report it.

    Code the Index gives

    Q04.1BillableExcludes1Excludes2

    Arhinencephaly

    Open Q04.1

    Previous termArgyrosis, conjunctivalNext termAriboflavinosis

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    Letter26 letters A 715 main terms
    • A 715 main terms
    • B 403 main terms
    • C 732 main terms
    • D 417 main terms
    • E 350 main terms
    • F 271 main terms
    • G 269 main terms
    • H 577 main terms
    • I 218 main terms
    • J 32 main terms
    • K 107 main terms
    • L 341 main terms
    • M 604 main terms
    • N 209 main terms
    • O 248 main terms
    • P 870 main terms
    • Q 14 main terms
    • R 263 main terms
    • S 702 main terms
    • T 375 main terms
    • U 118 main terms
    • V 148 main terms
    • W 109 main terms
    • X 18 main terms
    • Y 7 main terms
    • Z 13 main terms
    • Areola
    • Argentaffinoma
    • Argininemia
    • Arginosuccinic aciduria
    • Argyll Robertson phenomenon, pupil or syndrome
    • Argyria, argyriasis
    • Argyrosis, conjunctival
    • Arhinencephaly
    • Ariboflavinosis
    • Arm
    • Arnold-Chiari disease, obstruction or syndrome
    • Aromatic amino-acid metabolism disorder
    • Arousals, confusional
    • Arrest, arrested
    • Arrhenoblastoma

    Fiscal year

    You are viewing FY2027. Always code with the year that matches the date of service or discharge.

    FY2027 Effective October 1, 2026

    Source: CMS / NCHS, ICD-10-CM fiscal year 2027 (effective October 1, 2026). ICD-10-CM is in the public domain.

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