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ICD-10-CM Code N98.1
Hyperstimulation of ovaries

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
Female Only
Female Only
Code is only used for female patients.
| ICD-10 from 2011 - 2016

N98.1 is a billable ICD code used to specify a diagnosis of hyperstimulation of ovaries. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code N981 is used to code Ovarian hyperstimulation syndrome

Ovarian hyperstimulation syndrome (OHSS) is a medical condition affecting the ovaries of some women who take fertility medication to stimulate egg growth. Most cases are mild, but rarely the condition is severe and can lead to serious illness or death.

Specialty: Urology
Source: Wikipedia

Coding Notes for N98.1 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Hyperstimulation of ovaries NOS
Hyperstimulation of ovaries associated with induced ovulation

MS-DRG Mapping

  • DRG Group #919-921 - Complications of treatment with MCC.
  • DRG Group #919-921 - Complications of treatment with CC.
  • DRG Group #919-921 - Complications of treatment without CC or MCC.

ICD-10-CM Alphabetical Index References for 'N98.1 - Hyperstimulation of ovaries'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code N98.1. Click on any term below to browse the alphabetical index.

Hyperstimulation, ovaries(associated with induced ovulation) (N98.1)


Other ovarian hyperfunction (approximate match)
Complications affecting other specified body systems, not elsewhere classified (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code N98.1 and a single ICD9 code, 997.99 is an approximate match for comparison and conversion purposes.

Parent Code: N98 - Complications associated with artificial fertilization

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/N981