Inflammatory disease of uterus, except cervix (N71) ICD-10-CM
The N71 code range covers inflammatory disease of uterus, except cervix with 4 ICD-10-CM diagnosis codes. 3 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
- endo (myo) metritis
- metritis
- myometritis
- pyometra
- uterine abscess
Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Codes in the N71 Range 4 codes · 3 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the N71 range.
Endometritis
Inflammation of the ENDOMETRIUM, usually caused by intrauterine infections. Endometritis is the most common cause of postpartum fever.
Endometrium
The mucous membrane lining of the uterine cavity that is hormonally responsive during the MENSTRUAL CYCLE and PREGNANCY. The endometrium undergoes cyclic changes that characterize MENSTRUATION. After successful FERTILIZATION, it serves to sustain the developing embryo.
Hematometra
Blood-filled UTERUS.
Pyometra
An accumulation of PUS in the uterine cavity (UTERUS). Pyometra generally indicates the presence of infections.
Uterus
The hollow thick-walled muscular organ in the female PELVIS. It consists of the fundus which is the site of EMBRYO IMPLANTATION and FETAL DEVELOPMENT. Beyond the isthmus at the perineal end of fundus, is CERVIX UTERI (the neck) opening into VAGINA. Beyond the isthmi at the upper abdominal end of fundus, are the FALLOPIAN TUBES.
About the N71 Code Range
```htmlICD-10 codes N71, N71.0, N71.1, and N71.9 classify inflammatory diseases of the uterus excluding the cervix, covering acute, chronic, and unspecified uterine inflammations. These codes are essential for identifying and coding conditions such as endometritis, myometritis, and pyometra.
The ICD-10 code for inflammatory disease of uterus (N71) encompasses several specific diagnoses. N71.0 refers to acute inflammatory disease of the uterus and includes conditions often called acute endomyometritis or acute uterine inflammatory disease. It covers inflammation affecting the inner lining and muscular layers of the uterus. N71.1 identifies chronic inflammatory disease of the uterus, linked to persistent or recurring inflammation like chronic myometritis or chronic pyometra. Lastly, N71.9 is used when the type of uterine inflammation is unspecified but may involve terms like uterine abscess or hematometra. Medical coders use these codes to match descriptions such as acute or chronic uterine infections and inflammations to the appropriate ICD-10 code, facilitating accurate clinical documentation and billing for uterine inflammatory conditions, excluding the cervix.
```Questions About This Page
How many billable codes are in the N71 range?
Of the 4 codes in this range, 3 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the N71 range classify?
The range classifies inflammatory disease of uterus, except cervix. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
