1. Z18 Retained foreign body fragments

    Includes:

    • embedded fragment (status)
    • embedded splinter (status)
    • retained foreign body status

    Excludes1

    • artificial joint prosthesis status (Z96.6-)
    • foreign body accidentally left during a procedure (T81.5-)
    • foreign body entering through orifice (T15-T19)
    • in situ cardiac device (Z95.-)
    • organ or tissue replaced by means other than transplant (Z96.-, Z97.-)
    • organ or tissue replaced by transplant (Z94.-)
    • personal history of retained foreign body fully removed Z87.821
    • superficial foreign body (non-embedded splinter) - code to superficial foreign body, by site
    1. Z18.0 Retained radioactive fragments

      1. Z18.01 Retained depleted uranium fragments

      2. Z18.09 Other retained radioactive fragments

        Inclusion term(s):

        • Other retained depleted isotope fragments
        • Retained nontherapeutic radioactive fragments
    2. Z18.1 Retained metal fragments

      1. Z18.10 Retained metal fragments, unspecified

        Inclusion term(s):

        • Retained metal fragment NOS
      2. Z18.11 Retained magnetic metal fragments

      3. Z18.12 Retained nonmagnetic metal fragments

    3. Z18.2 Retained plastic fragments

      Inclusion term(s):

      • Acrylics fragments
      • Diethylhexyl phthalates fragments
      • Isocyanate fragments
    4. Z18.3 Retained organic fragments

      1. Z18.31 Retained animal quills or spines

      2. Z18.32 Retained tooth

      3. Z18.33 Retained wood fragments

      4. Z18.39 Other retained organic fragments

    5. Z18.8 Other specified retained foreign body

      1. Z18.81 Retained glass fragments

      2. Z18.83 Retained stone or crystalline fragments

        Inclusion term(s):

        • Retained concrete or cement fragments
      3. Z18.89 Other specified retained foreign body fragments

    6. Z18.9 Retained foreign body fragments, unspecified material

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

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