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Z88 - Allergy status to drugs, medicaments and biological substances

ICD-10-CM Chapter 21: Factors influencing health status and contact with health services · Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99) · Top-level category · FY2027

Coding Guidance

Z88 is a non-billable heading. Report one of the 10 more specific codes below.

Includes, Excludes and Coding Notes

Excludes 2 — Not Included HereFrom Z88

Not part of this code; report both codes when the patient has both conditions.

  • Allergy status, other than to drugs and biological substances (Z91.0-)
Code AlsoFrom Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)

Report an additional code when both conditions apply.

  • any follow-up examination (Z08-Z09)
NotesFrom Chapter Z00-Z99

Instructional notes from the ICD-10-CM tabular list.

  • 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:
  • (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.
  • (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.

More Specific Codes (10)

Z88.0Allergy status to penicillin→Z88.1Allergy status to other antibiotic agents→Z88.2Allergy status to sulfonamides→Z88.3Allergy status to other anti-infective agents→Z88.4Allergy status to anesthetic agent→Z88.5Allergy status to narcotic agent→Z88.6Allergy status to analgesic agent→Z88.7Allergy status to serum and vaccine→Z88.8Allergy status to other drugs, medicaments and biological substances→Z88.9Allergy status to unspecified drugs, medicaments and biological substances→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with Z88.