Is Z29.13 a billable ICD-10-CM code?

Yes. Z29.13 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Z29.13 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 communicable diseases (Z20-Z29).

What cannot be coded together with Z29.13?

Z29.13 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 Z29.13 (Z29) and apply to it just the same.

Z29.13

Z29.13 — Encounter for prophylactic Rho(D) immune globulin

Billable / specific codeICD-10-CMPOA exempt

Z29.13 is a billable, specific ICD-10-CM code for encounter for prophylactic rho(d) immune globulin. It is valid for submission on a claim.

Excludes1 inherited from the categories above Z29.13

These are not written on Z29.13, but they bind it: a note on a category applies to every code beneath it. Billing Z29.13 with anything listed here is a denial.

Written on Z29 — Encounter for other prophylactic measures

desensitization to allergens (Z51.6)
prophylactic surgery (Z40.-)

Risk adjustment

Z29.13 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 Z29.13 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 Z29.13.

Encounter›prophylactic measures›Rho immune globulin(D)

Code history

Z29.13 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 Z29.1. If Z29.13 is not quite right, the correct code is usually one of these.

Questions about Z29.13

Is Z29.13 a billable ICD-10-CM code?: Yes. Z29.13 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z29.13 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 communicable diseases (Z20-Z29).
What cannot be coded together with Z29.13?: Z29.13 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 Z29.13 (Z29) and apply to it just the same.