Is Q89.1 a billable ICD-10-CM code?

Yes. Q89.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Q89.1 sit in the tabular list?

Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Other congenital malformations (Q80-Q89).

What cannot be coded together with Q89.1?

Q89.1 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

Q89.1

Q89.1 — Congenital malformations of adrenal gland

Billable / specific codeICD-10-CMPOA exempt

Q89.1 is a billable, specific ICD-10-CM code for congenital malformations of adrenal gland. 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.

adrenogenital disorders (E25.-)
congenital adrenal hyperplasia (E25.0)

Risk adjustment

Q89.1 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.

Medicare coverage

Q89.1 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A56421Billing and Coding: CT of the Abdomen and Pelvis

How Q89.1 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 Q89.1.

Aberrant›adrenal gland
Absence›adrenal(gland) (congenital)
Accessory›adrenal gland
Agenesis›adrenal(gland)
Anomaly, anomalous›adrenal(gland)
Deformity›adrenal gland
Displacement, displaced›adrenal gland(congenital)
Distortion›adrenal(gland)
Ectopic, ectopia›adrenal gland
Hypoplasia, hypoplastic›adrenal, congenital(gland)
Malformation›adrenal gland
Cyst›adrenal gland›congenital

Related codes at this level

Codes that share Q89. If Q89.1 is not quite right, the correct code is usually one of these.

Questions about Q89.1

Is Q89.1 a billable ICD-10-CM code?: Yes. Q89.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Q89.1 sit in the tabular list?: Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Other congenital malformations (Q80-Q89).
What cannot be coded together with Q89.1?: Q89.1 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.