Is Z00.121 a billable ICD-10-CM code?

Yes. Z00.121 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Z00.121 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).

Z00.121

Z00.121 — Encounter for routine child health examination with abnormal findings

Billable / specific codeICD-10-CMPOA exempt

Z00.121 is a billable, specific ICD-10-CM code for encounter for routine child health examination with abnormal findings. It is valid for submission on a claim.

Use additional code

Add a secondary code to capture the detail described below.

code to identify abnormal findings

Risk adjustment

Z00.121 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 Z00.121 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 Z00.121.

Examination›child›with abnormal findings
Hearing examination›infant or child›with abnormal findings
Screening›infant or child›with abnormal findings
Admission›vision examination›infant or child›with abnormal findings
Examination›hearing›infant or child›with abnormal findings
Examination›vision›infant or child›with abnormal findings
Immunization›appropriate for age›child›with abnormal findings
Test, tests, testing›hearing›infant or child›with abnormal findings
Test, tests, testing›vision›infant or child›with abnormal findings
Admission›examination at health care facility›hearing›infant or child›with abnormal findings
Admission›examination at health care facility›vision›infant or child›with abnormal findings

Related codes at this level

Codes that share Z00.12. If Z00.121 is not quite right, the correct code is usually one of these.

Z00.129Encounter for routine child health examination without abnormal findings

Questions about Z00.121

Is Z00.121 a billable ICD-10-CM code?: Yes. Z00.121 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z00.121 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).