ICD-10/Z85.03

Z85.03 ICD 2026 Code: Personal history of malignant neoplasm of large intestine

Z85.03 is the authoritative medical code for Personal history of malignant neoplasm of large intestine. This classification is used in medical billing and clinical recording to specify the clinical criteria for personal history of malignant neoplasm of large intestine (ICD-10-CM Z85.03), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Personal history of malignant neoplasm of large intestine is a non-billable ICD-10-CM category code Z85.03. A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): personal history of benign neoplasm Z86.01-; personal history of carcinoma-in-situ Z86.00-. Code first: any follow-up examination after treatment of malignant neoplasm Z08. Use additional code: code to identify:; alcohol use and dependence F10.-; exposure to environmental tobacco smoke Z77.22; history of tobacco dependence Z87.891; occupational exposure to environmental tobacco smoke Z57.31; tobacco dependence F17.-; tobacco use Z72.0. Code also: any follow-up examination Z08-Z09.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for Z85.03 in the official ICD-10-CM tabular list.

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • personal history of benign neoplasm Z86.01-
  • personal history of carcinoma-in-situ Z86.00-

Code First

Underlying conditions that must be sequenced before this code.

  • any follow-up examination after treatment of malignant neoplasm Z08

Code Also

Additional codes that may be required to fully describe the encounter.

  • any follow-up examination Z08-Z09

Use Additional Code

Supplementary codes the tabular list directs you to add.

  • code to identify:
  • alcohol use and dependence F10.-
  • exposure to environmental tobacco smoke Z77.22
  • history of tobacco dependence Z87.891
  • occupational exposure to environmental tobacco smoke Z57.31
  • tobacco dependence F17.-
  • tobacco use Z72.0

Frequently Asked Questions (FAQ) & Clinical Guidance

Can Z85.03 be billed directly?

No. Z85.03 (Personal history of malignant neoplasm of large intestine) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Can Z85.03 be reported alongside related conditions?

Per Excludes2 instructions, Z85.03 and the following may both be reported when both are present: personal history of benign neoplasm (Z86.01-); personal history of carcinoma-in-situ (Z86.00-).

Does Z85.03 need to be sequenced after another code?

Yes. Code first: any follow-up examination after treatment of malignant neoplasm (Z08).

Is an additional code needed with Z85.03?

Use additional code(s) to specify: code to identify:; alcohol use and dependence (F10.-); exposure to environmental tobacco smoke (Z77.22); history of tobacco dependence (Z87.891).

Codes in This Family (2)

Official ICD-10-CM classifications in the same code family as Z85.03, with their registry titles.

  • Z85.030 — Personal history of malignant carcinoid tumor of large intestine
  • Z85.038 — Personal history of other malignant neoplasm of large intestine

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

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