Is Z39.1 a billable ICD-10-CM code?

Yes. Z39.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Z39.1 sit in the tabular list?

Factors influencing health status and contact with health services (Z00-Z99), in the block Persons encountering health services in circumstances related to reproduction (Z30-Z39).

What cannot be coded together with Z39.1?

Z39.1 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

Z39.1

Z39.1 — Encounter for care and examination of lactating mother

Billable / specific codeICD-10-CMPOA exempt

Z39.1 is a billable, specific ICD-10-CM code for encounter for care and examination of lactating mother. 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.

disorders of lactation (O92.-)

Inclusion terms

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

Encounter for supervision of lactation

Risk adjustment

Z39.1 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 Z39.1 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 Z39.1.

Care›lactating mother
Examination›lactating mother
Lactation, lactating›mother(care and/or examination)
Supervision›lactation

Related codes at this level

Codes that share Z39. If Z39.1 is not quite right, the correct code is usually one of these.

Questions about Z39.1

Is Z39.1 a billable ICD-10-CM code?: Yes. Z39.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z39.1 sit in the tabular list?: Factors influencing health status and contact with health services (Z00-Z99), in the block Persons encountering health services in circumstances related to reproduction (Z30-Z39).
What cannot be coded together with Z39.1?: Z39.1 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.