E80.20 ICD-10-CM Code: Unspecified porphyria
E80.20 is the billable ICD-10-CM code for “Unspecified porphyria” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
E80.20Unspecified porphyria
ICD-10-CM diagnosis code · United States clinical modification
More specific than E80.20
View subcategoryE80.20 is an unspecified code, for when the note doesn’t say more. If it documents the type, cause, or site, one of these codes may fit better.
Where E80.20 sits
- 1
Chapter 4
Endocrine, nutritional and metabolic diseases (E00-E89)
- 2
Section
Metabolic disorders (E70-E88)
- 3
Category E80
Disorders of porphyrin and bilirubin metabolism
- 4
Subcategory E80.2
Other and unspecified porphyria
- 5
Code E80.20
Unspecified porphyria
Notes for this code
Inclusion terms
- Porphyria NOS
Code first
No “code first” instruction is listed for E80.20.
Use additional code
No “use additional code” instruction is listed for E80.20.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for E80.20.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for E80.20.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code E80.20 mean?
E80.20 is the FY 2027 U.S. ICD-10-CM code for “Unspecified porphyria.”
Is E80.20 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, E80.20 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is E80.20 located in ICD-10-CM?
E80.20 is listed in Chapter 4, Endocrine, nutritional and metabolic diseases (E00-E89), within Metabolic disorders (E70-E88) (E70–E88), under category E80, Disorders of porphyrin and bilirubin metabolism and subcategory E80.2, Other and unspecified porphyria.
What coding notes are listed for E80.20?
Its listed inclusion terms are Porphyria NOS. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.