Z00.121

Encounter for routine child health examination with abnormal findings

Billable / specificPOA exempt

Z00.121 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from Z00)

  • Note: Z codes represent reasons for encounters. A corresponding procedure code must accompany a Z code if a procedure is performed. Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as 'diagnoses' or 'problems'. This can arise in two main ways:
  • Note: (a) When a person who may or may not be sick encounters the health services for some specific purpose, such as to receive limited care or service for a current condition, to donate an organ or tissue, to receive prophylactic vaccination (immunization), or to discuss a problem which is in itself not a disease or injury.
  • Note: (b) When some circumstance or problem is present which influences the person's health status but is not in itself a current illness or injury.
  • Note: Nonspecific abnormal findings disclosed at the time of these examinations are classified to categories R70-R94.

Excludes1

Not coded here — never report together with this code.

  • health check for child under 29 days old (Z00.11-) (from Z00.12)
  • health supervision of foundling or other healthy infant or child (Z76.1-Z76.2) (from Z00.12)
  • newborn health examination (Z00.11-) (from Z00.12)
  • encounter for examination for administrative purposes (Z02.-) (from Z00)

Excludes2

Not included here — may be reported together when both conditions exist.

  • examinations related to pregnancy and reproduction (Z30-Z36, Z39.-) (from Z00)
  • encounter for pre-procedural examinations (Z01.81-) (from Z00)
  • special screening examinations (Z11-Z13) (from Z00)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify abnormal findings

Also known as

  • Admission, vision examination, infant or child, with abnormal findings
  • Examination, child, with abnormal findings
  • Examination, hearing, infant or child, with abnormal findings
  • Examination, vision, infant or child, with abnormal findings
  • Hearing examination, infant or child, with abnormal findings
  • Immunization, appropriate for age, child, with abnormal findings
  • Screening, infant or child, with abnormal findings
  • Test, tests, testing, hearing, infant or child, with abnormal findings
  • Test, tests, testing, vision, infant or child, with abnormal findings

Parent code

  • Z00.12Encounter for routine child health examinationHeader

Related codes

  • Z00.129Encounter for routine child health examination without abnormal findingsBillable

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