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ICD-10 diagnosis code

N91.0 Primary amenorrhoea

This page in Swedish

N91.0 is the ICD-10 code for Primary amenorrhoea. It is a four-character subcategory of N91 (Absent, scanty and rare menstruation), the most specific level in the WHO edition. It belongs to the block N80–N98 (Noninflammatory disorders of female genital tract) in Chapter XIV, Diseases of the genitourinary system.

Code type
Subcategory (4 characters)
Chapter
XIV · N00–N99
Classification
WHO ICD-10, 2019 version

Coding notes

  • Failure to start menstruation at puberty.

N91.0 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

N91.0Primär amenorré

NorwayICD-10-NO

N91.0Primær amenoré

DenmarkICD-10-DK

DN910Primær amenoré

FinlandICD-10-FI

N91.0Primaarinen kuukautisten puuttuminen

GermanyICD-10-GM

N91.0Primäre Amenorrhoe

FranceICD-10-FR

N91.0Aménorrhée primaire

NetherlandsICD-10-NL

N91.0primaire amenorroe

United StatesICD-10-CM

N91.0Primary amenorrhea

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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