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Z85.9

Personal history of malignant neoplasm, unspecified

Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 9 more specific codes sit alongside it. Worth checking whether the documentation supports one of them.
Exclusions 2 never code together
Z85code
Excludes2
  • personal history of benign neoplasm (Z86.01-)Z86.01-
  • personal history of carcinoma-in-situ (Z86.00-)Z86.00-

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 13
Z85.9code
Inclusion terms
Z85code
Code first
  • any follow-up examination after treatment of malignant neoplasm (Z08)Z08
Use additional code
  • code to identify:
  • alcohol use and dependence (F10.-)F10.-
  • exposure to environmental tobacco smoke (Z77.22)Z77.22
  • history of tobacco dependence (Z87.891)Z87.891
  • occupational exposure to environmental tobacco smoke (Z57.31)Z57.31
  • tobacco dependence (F17.-)F17.-
  • tobacco use (Z72.0)Z72.0
Z77-Z99block
Code also
  • any follow-up examination (Z08-Z09)Z08-Z09
Z00-Z99chapter
Notes
  • 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:Z00-Z99A00-Y89
  • (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.
Index entries leading here 1
  • History
    • personal (of) — see also History, family (of)
      • malignant neoplasm (of) Z85.9
Alongside this code 9 same parent — Z85
Z85.0 Personal history of malignant neoplasm of digestive organs category Z85.1 Personal history of malig neoplm of trachea, bronc and lung category Z85.2 Prsnl history of malig neoplm of resp and intrathorac organs category Z85.3 Personal history of malignant neoplasm of breast Z85.4 Personal history of malignant neoplasm of genital organs category Z85.5 Personal history of malignant neoplasm of urinary tract category Z85.6 Personal history of leukemia Z85.7 Prsnl hx of malig neoplm of lymphoid, hematpoetc & rel tiss category Z85.8 Personal history of malig neoplasms of organs and systems category
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
Z85
Block
Z77-Z99
Siblings
9

Present FY2024–FY2027.