Chapter 21

Z00–Z99: Factors Influencing Health Status and Contact with Health Services

Factors Influencing Health Status and Contact with Health Services diagnostic classification updated for 2026.

Internal Codes
  • Z90.02

    Acquired absence of larynx

  • Z90.09

    Acquired absence of other part of head and neck

  • Z90.1

    Acquired absence of breast and nipple

  • Z90.10

    Acquired absence of unspecified breast and nipple

  • Z90.11

    Acquired absence of right breast and nipple

  • Z90.12

    Acquired absence of left breast and nipple

  • Z90.13

    Acquired absence of bilateral breasts and nipples

  • Z90.2

    Acquired absence of lung [part of]

  • Z90.3

    Acquired absence of stomach [part of]

  • Z90.4

    Acquired absence of other specified parts of digestive tract

  • Z90.41

    Acquired absence of pancreas

  • Z90.410

    Acquired total absence of pancreas

  • Z90.411

    Acquired partial absence of pancreas

  • Z90.49

    Acquired absence of other specified parts of digestive tract

  • Z90.5

    Acquired absence of kidney

  • Z90.6

    Acquired absence of other parts of urinary tract

  • Z90.7

    Acquired absence of genital organ(s)

  • Z90.71

    Acquired absence of cervix and uterus

  • Z90.710

    Acquired absence of both cervix and uterus

  • Z90.711

    Acquired absence of uterus with remaining cervical stump

  • Z90.712

    Acquired absence of cervix with remaining uterus

  • Z90.72

    Acquired absence of ovaries

  • Z90.721

    Acquired absence of ovaries, unilateral

  • Z90.722

    Acquired absence of ovaries, bilateral

  • Z90.79

    Acquired absence of other genital organ(s)

  • Z90.8

    Acquired absence of other organs

  • Z90.81

    Acquired absence of spleen

  • Z90.89

    Acquired absence of other organs

  • Z91

    Personal risk factors, not elsewhere classified

  • Z91.0

    Allergy status, other than to drugs and biological substances

  • Z91.01

    Food allergy status

  • Z91.010

    Allergy to peanuts

  • Z91.011

    Allergy to milk products

  • Z91.0110

    Allergy to milk products, unspecified

  • Z91.0111

    Allergy to milk products with tolerance to baked milk

  • Z91.0112

    Allergy to milk products with reactivity to baked milk

  • Z91.012

    Allergy to eggs

  • Z91.0120

    Allergy to eggs, unspecified

  • Z91.0121

    Allergy to eggs with tolerance to baked egg

  • Z91.0122

    Allergy to eggs with reactivity to baked egg

  • Z91.013

    Allergy to seafood

  • Z91.014

    Allergy to mammalian meats

  • Z91.018

    Allergy to other foods

  • Z91.02

    Food additives allergy status

  • Z91.03

    Insect allergy status

  • Z91.030

    Bee allergy status

  • Z91.038

    Other insect allergy status

  • Z91.04

    Nonmedicinal substance allergy status

  • Z91.040

    Latex allergy status

  • Z91.041

    Radiographic dye allergy status

PreviousPage 32 of 37Next