Is H04.309 a billable ICD-10-CM code?

Yes. H04.309 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does H04.309 sit in the tabular list?

Diseases of the eye and adnexa (H00-H59), in the block Disorders of eyelid, lacrimal system and orbit (H00-H05).

What cannot be coded together with H04.309?

H04.309 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 H04.309 (H04.3, H04) and apply to it just the same.

H04.309

H04.309 — Unspecified dacryocystitis of unspecified lacrimal passage

Billable / specific codeICD-10-CM

H04.309 is a billable, specific ICD-10-CM code for unspecified dacryocystitis of unspecified lacrimal passage. It is valid for submission on a claim.

Excludes1 inherited from the categories above H04.309

These are not written on H04.309, but they bind it: a note on a category applies to every code beneath it. Billing H04.309 with anything listed here is a denial.

Written on H04.3 — Acute and unspecified inflammation of lacrimal passages

neonatal dacryocystitis (P39.1)

Written on H04 — Disorders of lacrimal system

congenital malformations of lacrimal system (Q10.4-Q10.6)

Risk adjustment

H04.309 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.

Code history

H04.309 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 H04.30. If H04.309 is not quite right, the correct code is usually one of these.

Questions about H04.309

Is H04.309 a billable ICD-10-CM code?: Yes. H04.309 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does H04.309 sit in the tabular list?: Diseases of the eye and adnexa (H00-H59), in the block Disorders of eyelid, lacrimal system and orbit (H00-H05).
What cannot be coded together with H04.309?: H04.309 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 H04.309 (H04.3, H04) and apply to it just the same.