H44.4

⚠ Non-billable (Header)

Hypotony of eye

Diseases of the eye and adnexa (H00-H59)

⚠️ This is a category header code — not billable. Use a more specific child code below.

✓ No additional coding notes for H44.4

Child Codes (5)

H44.40Unspecified hypotony of eye✓ Billable H44.41Flat anterior chamber hypotony of eyeHeader H44.42Hypotony of eye due to ocular fistulaHeader H44.43Hypotony of eye due to other ocular disordersHeader H44.44Primary hypotony of eyeHeader

Clinical Description

ICD-10-CM code H44.4 represents hypotony of eye. This code falls under the Diseases of the eye and adnexa (H00-H59) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.

This is a 5-character code at the 4th level of specificity. There are 5 more specific child codes under H44.4.

Frequently Asked Questions

What is ICD-10 code H44.4?

ICD-10-CM code H44.4 is "Hypotony of eye". It belongs to the category: Diseases of the eye and adnexa (H00-H59).

Is H44.4 a billable ICD-10 code?

No, H44.4 is a non-billable header code. A more specific child code must be used for billing.

Related Codes in H44

Other codes in the same category that may be relevant for differential coding:

H44.0Purulent endophthalmitis H44.1Other endophthalmitis H44.2Degenerative myopia H44.3Other and unspecified degenerative disorders of globe H44.5Degenerated conditions of globe H44.6Retained (old) intraocular foreign body, magnetic H44.7Retained (old) intraocular foreign body, nonmagnetic H44.8Other disorders of globe H44.9Unspecified disorder of globe

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Code Information

CodeH44.4

BillableNo — Header code

ParentH44

CategoryDiseases of the eye and adnexa (H00-H59)

Excludes10 rule(s)

Excludes20 note(s)

Child codes5

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)