H53.55 – Tritanomaly
ICD-10-CM 2027 diagnosis code · Visual disturbances and blindness
ICD-10-CM code
H53.55
- Code
H53.55(claims format:H5355)- Description
- Tritanomaly
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 7. Diseases of the eye and adnexa (H00-H59)
- Block
- H53-H54 Visual disturbances and blindness
- Parent codes
- H53 › H53.5
Notes for H53.55
Applicable to:
- Tritanopia
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
H53.5 – Color vision deficiencies
Applicable to:
- Color blindness
Excludes2 (not included here):
- day blindness (H53.11)
Index terms for H53.55
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in H53.5
- H53.50 – Unspecified color vision deficienciesBillable
- H53.51 – AchromatopsiaBillable
- H53.52 – Acquired color vision deficiencyBillable
- H53.53 – DeuteranomalyBillable
- H53.54 – ProtanomalyBillable
- H53.59 – Other color vision deficienciesBillable
Frequently asked questions
What is ICD-10 code H53.55?
H53.55 is the ICD-10-CM code for tritanomaly, in the block H53-H54 (Visual disturbances and blindness).
Is H53.55 a billable code?
Yes. H53.55 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does H53.55 belong to?
It belongs to category H53 – Visual disturbances.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.