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ICD-10 Alphabetic Index of Diseases & Injuries

The Alphabetic Index consist of a list of diseases and injuries and their related ICD-10 diagnosis code(s). The diagnosis codes found in the Tabular List and Alphabetic Index have been adopted under HIPAA for all healthcare settings.

Browse for your desired term or condition, or search for a specific disease / condition.

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Search for ”Immaturity“

  • Immaturity

    (less than 37 completed weeks) see also Preterm, newborn
    • extreme of newborn (less than 28 completed weeks of gestation) (less than 196 completed days of gestation) (unspecified weeks of gestation) P07.20
      • gestational age
        • 23 completed weeks (23 weeks, 0 days through 23 weeks, 6 days) P07.22
        • 24 completed weeks (24 weeks, 0 days through 24 weeks, 6 days) P07.23
        • 25 completed weeks (25 weeks, 0 days through 25 weeks, 6 days) P07.24
        • 26 completed weeks (26 weeks, 0 days through 26 weeks, 6 days) P07.25
        • 27 completed weeks (27 weeks, 0 days through 27 weeks, 6 days) P07.26
        • less than 23 completed weeks P07.21
    • fetus or infant light-for-dates see Light-for-dates
    • lung, newborn P28.0
    • organ or site NEC see Hypoplasia
    • pulmonary, newborn P28.0
    • reaction F60.89
    • sexual, after puberty (female) (male) E30.0
ICD-10 Code Lookup

Find the disease or condition using the Alphabetic Index displayed on this page. Select the associated ICD-10 code to view any special notations from the Tabular List.

In addition to the notes in the Tabular List, these conditions also have a specific Alphabetic Index entry structure. In the Alphabetic Index both conditions are listed together with the etiology code first followed by the manifestation codes in brackets. The code in brackets is always to be sequenced second.

Abbreviations used here:

NEC “Not elsewhere classifiable”
This abbreviation in the Alphabetic Index represents “other specified.” When a specific code is not available for a condition, the Alphabetic Index directs the coder to the “other specified” code in the Tabular List.

NOS “Not otherwise specified”
This abbreviation is the equivalent of unspecified.