Is Q34.1 a billable ICD-10-CM code?

Yes. Q34.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Q34.1 sit in the tabular list?

Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Congenital malformations of the respiratory system (Q30-Q34).

Q34.1

Q34.1 — Congenital cyst of mediastinum

Billable / specific codeICD-10-CMPOA exempt

Q34.1 is a billable, specific ICD-10-CM code for congenital cyst of mediastinum. It is valid for submission on a claim.

Risk adjustment

Q34.1 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 Q34.1 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 Q34.1.

Cyst›mediastinum, congenital
Cyst›congenital NEC›mediastinum

Related codes at this level

Codes that share Q34. If Q34.1 is not quite right, the correct code is usually one of these.

Questions about Q34.1

Is Q34.1 a billable ICD-10-CM code?: Yes. Q34.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Q34.1 sit in the tabular list?: Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Congenital malformations of the respiratory system (Q30-Q34).