ICD-10-CM code · FY2027
E31.1 Polyglandular hyperfunction
BillableValid for claims as a specific diagnosis code
About E31.1
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Coding notes for E31.1
Excludes1 Not coded here: never report these together with this code (use the code given instead).
Also applies, from E31 Polyglandular dysfunction
Excludes1 Not coded here: never report these together with this code (use the code given instead).
Block E20-E35 notes (apply to every code in it)
Chapter 4 notes (apply to every code in it)
Note
- All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.
Related codes in E31
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See 2MM+ plansICD-10-CM FY2027 code set, as published by the CDC National Center for Health Statistics (NCHS) and CMS, effective October 1, 2026 to September 30, 2027. Codes, titles and notes are shown as published. Check payer rules and the official guidelines before billing. This page is not medical advice.
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