D66 Hereditary factor VIII deficiency
ICD-10-CM category D66 sits in Chapter 3 (Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism, D50-D89). It contains 1 billable code for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
The category code
D66 itself is billable for FY2027: no more specific code exists under it.Billable codes in D66
| Code | Description |
|---|---|
D66 | Hereditary factor VIII deficiency |
Search within ICD-10-CM for D66 and related codes
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