Z12.31Billable
Encounter for screening mammogram for malignant neoplasm of breast
Short description: Encntr screen mammogram for malignant neoplasm of breast
- Chapter
- 21. Factors influencing health status and contact with health services
- Category
- Z12
- Effective date
- October 1, 2026
Related codes in category Z12
Z12Encounter for screening for malignant neoplasmsZ12.0Encounter for screening for malignant neoplasm of stomachYesZ12.1Encntr screen for malignant neoplasm of intestinal tractZ12.10Encntr screen for malignant neoplasm of intest tract, unspYesZ12.11Encounter for screening for malignant neoplasm of colonYesZ12.12Encounter for screening for malignant neoplasm of rectumYesZ12.13Encntr screen for malignant neoplasm of small intestineYesZ12.2Encntr screen for malignant neoplasm of respiratory organsYesZ12.3Encounter for screening for malignant neoplasm of breastZ12.39Encounter for oth screening for malignant neoplasm of breastYesZ12.4Encounter for screening for malignant neoplasm of cervixYesZ12.5Encounter for screening for malignant neoplasm of prostateYes
Frequently asked questions
What is ICD-10 code Z12.31?
Z12.31 is an ICD-10-CM diagnosis code for Encounter for screening mammogram for malignant neoplasm of breast.
Is Z12.31 a billable code?
Yes. Z12.31 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is Z12.31 in?
Z12.31 falls under Chapter 21: Factors influencing health status and contact with health services.
When did Z12.31 become effective?
Z12.31 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Z12.31?
Z12.31 belongs to category Z12, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.