N91.5
BillableOligomenorrhea, unspecified
Oligomenorrhea, unspecified
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Hypomenorrhea NOS
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- ovarian dysfunction (E28.-)
Excludes 2
Conditions not included here, but the patient may have both
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Also Known As / Clinical Terms
SNOMED CT
- Infrequent menstruation52073004
- Infrequent periods52073004
- Oligomenorrhea52073004
- Oligomenorrhoea52073004
- Relative amenorrhea52073004
- Relative amenorrhoea52073004
- Hypomenorrhea64206003
- Hypomenorrhoea64206003
- Light menstrual period64206003
- Scanty period64206003
- Scanty periods64206003
- Spotting only at periods64206003
- Bleeding between periods237130006
- IMB - Intermenstrual bleeding237130006
- Intermenstrual bleeding237130006
- Mid-cycle bleeding237130006
- Spotting between periods237130006
- Ovulation bleeding266603000
- Finding of frequency of menstruation289887006
- Observation of frequency of menstruation289887006
- Light and infrequent menstruation386704007
- Scanty and infrequent menstruation386704007
- Oligoovulatory dysfunctional uterine bleeding444560000
UMLS
- oligomenorrheaC0028949
- Infrequent menstruationC0028949
- Infrequent periodsC0028949
- Light or infrequent menstrual periodsC0028949
- OligomenorrheaC0028949
- Oligomenorrhea (finding)C0028949
- Oligomenorrhea, unspecifiedC0028949
- OligomenorrheasC0028949
- OligomenorrhoeaC0028949
- Oligomenorrhoea NOSC0028949
- OpsomenorrheaC0028949
- OpsomenorrhoeaC0028949
- Relative amenorrheaC0028949
- Relative amenorrhoeaC0028949
- infrequent menstruationC0028949
- infrequent periodsC0028949
- oligomenorrhoeaC0028949
- HypomenorrheaC0020624
- Hypomenorrhea (finding)C0020624
- Hypomenorrhea NOSC0020624
- HypomenorrhoeaC0020624
- Light menstrual periodC0020624
- Light periodsC0020624
- Scanty periodC0020624
- Scanty periodsC0020624
- Spotting only at periodsC0020624
- decrease menstruationC0020624
- hypomenorrheaC0020624
- hypomenorrhoeaC0020624
- light menstrual periodsC0020624
- light periodC0020624
- light periodsC0020624
- periods lightC0020624
- scanty mensesC0020624
- scanty periodsC0020624
Frequently Asked Questions
What is the ICD-10 code for oligomenorrhea, unspecified?
The ICD-10-CM code for oligomenorrhea, unspecified is N91.5. The full clinical description is "Oligomenorrhea, unspecified". N91.5 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code N91.5 mean?
ICD-10-CM code N91.5 represents "Oligomenorrhea, unspecified". It is classified under Chapter 14: Diseases of the Genitourinary System and is a billable/specific code that can be used on a claim.
Is N91.5 a billable code?
Yes, N91.5 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is N91.5 in?
N91.5 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).
What codes cannot be used with N91.5?
N91.5 has Excludes1 notes indicating codes that cannot be used together with it, including: ovarian dysfunction (E28.-).
What SNOMED CT codes does N91.5 map to?
N91.5 maps to 7 SNOMED CT concepts: 237130006, 289887006, 64206003, 52073004, 386704007, and 2 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for N91.5?
N91.5 is linked to 2 UMLS Concept Unique Identifiers: C0028949, C0020624. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.