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    Alphabetic Index FY2027
    1. Alphabetic Index
    2. R
    3. Rd–Re
    4. Reserve, decreased or low

    Alphabetic Index · main term

    Reserve, decreased or low

    FY2027Index: Rd–Re /Alphabetic Index

    Reserve, decreased or low is a main term in the FY2027 ICD-10-CM Alphabetic Index (Index to Diseases and Injuries). It has 2 subterms and 1 code entry. First-level subterms include cardiac, kidney. Confirm any code you find here in the Tabular List before you report it.

    Subterms 2

    • cardiac see Disease, heart
    • kidneyN28.89
    Previous termRequest for expert evidenceNext termResiding

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    Letter26 letters R 263 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
    • Reninoma
    • Renon-Delille syndrome
    • Reovirus, as cause of disease classified elsewhere
    • Repeated falls NEC
    • Replaced chromosome by dicentric ring
    • Replacement by artificial or mechanical device or prosthesis of
    • Request for expert evidence
    • Reserve, decreased or low
    • Residing
    • Residual
    • Resistance, resistant
    • Resorption
    • Respiration
    • Respiratory
    • Respite care

    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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