Is Z98.891 a billable ICD-10-CM code?

Yes. Z98.891 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Z98.891 sit in the tabular list?

Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99).

What cannot be coded together with Z98.891?

Z98.891 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

Z98.891

Z98.891 — History of uterine scar from previous surgery

Billable / specific codeICD-10-CMPOA exempt

Z98.891 is a billable, specific ICD-10-CM code for history of uterine scar from previous surgery. 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.

Maternal care due to uterine scar from previous surgery (O34.2-)

Risk adjustment

Z98.891 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

Z98.891 is named in 3 Medicare coverage policies — 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A56461Billing and Coding: Endoscopy by Capsule
A56809Billing and Coding: Transesophageal Echocardiography (TEE)
A57306Billing and Coding: Transthoracic Echocardiography (TTE)

How Z98.891 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 Z98.891.

History›personal›uterine scar from previous surgery
Status›postoperative NEC›uterine scar
History›personal›surgery NEC›with uterine scar

Related codes at this level

Codes that share Z98.89. If Z98.891 is not quite right, the correct code is usually one of these.

Z98.890Other specified postprocedural states

Questions about Z98.891

Is Z98.891 a billable ICD-10-CM code?: Yes. Z98.891 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z98.891 sit in the tabular list?: Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99).
What cannot be coded together with Z98.891?: Z98.891 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.