Home
Home
Site Map
ICD-10 Tutorial
Website Tutorial
Coding Primer
Code Version
ICD-10-CM
Search ICD-10-CM Code
Browse ICD-10-CM Book
Build ICD-10-CM code
Index to Diseases and Injuries
Index to External Cause of Injuries
ICD-10-CM CodeAssistant
Table of Neoplasms
Table of Drugs and Chemicals
All Billable ICD-10-CM Codes
ICD-10-CM Guideline
ICD-10-PCS
Build ICD-10-PCS Code
Search ICD-10-PCS Code
Browse ICD-10-PCS Book
ICD-10-PCS Index
ICD-10-PCS Definitions
CPT
Search CPT4
Browse CPT4
CCI Edits Check
Search RVU
CPT4 Modifier
EM
EM Doc and Code
Search EM Document
EM Templates
HCPCS
Search HCPCS II
Browse HCPCS II
HCPCS II Modifier
DRG
DRG Grouper
Browse DRG Book
Browse DRG List
Search DRG
ICD 10 to DRG
PDX Group
SNOMED
Search SNOMED
Code Crosswalk
ICD-9
Search ICD-9-CM
Search ICD-9-PCS
ICD-9<=>10
Resource
Search Acronym
Download Files
Account
Login
Register
Change Password
Order Subscription
Contact
Contact Us
ICD-10-CM Book 2024 Edition
Chapters
/
Chapter 14
/
N80-N98
/ N91
Show child codes
Show code details
N91
Absent, scanty and rare menstruation
Excludes1
ovarian dysfunction (
E28.-
)
N91.0
Primary amenorrhea
sex
Female
N91.1
Secondary amenorrhea
sex
Female
N91.2
Amenorrhea, unspecified
sex
Female
N91.3
Primary oligomenorrhea
sex
Female
N91.4
Secondary oligomenorrhea
sex
Female
N91.5
Oligomenorrhea, unspecified
Hypomenorrhea NOS
sex
Female
N91
N91
N91.0