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Z12.4

Z12.4Encounter for screening for malignant neoplasm of cervix

Billable / specific codeICD-10-CMPOA exempt

Z12.4 is a billable, specific ICD-10-CM code for encounter for screening for malignant neoplasm of cervix. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • when screening is part of general gynecological examination (Z01.4-)

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

  • encounter for screening for human papillomavirus (Z11.51)

Inclusion terms

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

  • Encounter for screening pap smear for malignant neoplasm of cervix

Other codes that can never be billed with Z12.4

These codes carry an Excludes1 note pointing at Z12.4. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading Z12.4 alone.

  • Z01.41Encounter for routine gynecological examination

Risk adjustment

Z12.4 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.

How Z12.4 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 Z12.4.

  • Papanicolaou smear, cervix
  • AdmissionPapanicolaou smear, cervix
  • Examinationcervical Papanicolaou smear
  • Papanicolaou smear, cervixfor suspected neoplasm
  • AdmissionPapanicolaou smear, cervixfor suspected malignant neoplasm
  • Screeningneoplasmcervix
  • Screeningneoplasmgenitourinary organs NECcervix

Related codes at this level

Codes that share Z12. If Z12.4 is not quite right, the correct code is usually one of these.

Questions about Z12.4

Is Z12.4 a billable ICD-10-CM code?
Yes. Z12.4 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z12.4 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 Z12.4?
Z12.4 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.