Is Z12.11 a billable ICD-10-CM code?

Yes. Z12.11 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Z12.11 sit in the tabular list?

Factors influencing health status and contact with health services (Z00-Z99), in the block Persons encountering health services for examinations (Z00-Z13).

What cannot be coded together with Z12.11?

Z12.11 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above Z12.11 (Z12) and apply to it just the same.

Z12.11

Z12.11 — Encounter for screening for malignant neoplasm of colon

Billable / specific codeICD-10-CMPOA exempt

Z12.11 is a billable, specific ICD-10-CM code for encounter for screening for malignant neoplasm of colon. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Encounter for screening colonoscopy NOS

Excludes1 inherited from the categories above Z12.11

These are not written on Z12.11, but they bind it: a note on a category applies to every code beneath it. Billing Z12.11 with anything listed here is a denial.

Written on Z12 — Encounter for screening for malignant neoplasms

encounter for diagnostic examination-code to sign or symptom

Risk adjustment

Z12.11 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

Z12.11 is named in 5 Medicare coverage policies — 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A55069Billing and Coding: Screening Colonoscopy Converted to a Diagnostic and/or Therapeutic Colonoscopy
A55227Billing and Coding: Incomplete Colonoscopy/Failed Colonoscopy
A56632Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
A56781Billing and Coding: Transthoracic Echocardiography (TTE)

How Z12.11 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Z12.11.

Encounter›colonoscopy, screening
Screening›colonoscopy
Screening›neoplasm›colon
Screening›neoplasm›intestinal tract›colon

Code history

Z12.11 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share Z12.1. If Z12.11 is not quite right, the correct code is usually one of these.

Questions about Z12.11

Is Z12.11 a billable ICD-10-CM code?: Yes. Z12.11 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z12.11 sit in the tabular list?: Factors influencing health status and contact with health services (Z00-Z99), in the block Persons encountering health services for examinations (Z00-Z13).
What cannot be coded together with Z12.11?: Z12.11 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above Z12.11 (Z12) and apply to it just the same.