2027 ICD-10-CM Diagnosis Code N74Female pelvic inflammatory disorders in diseases classified elsewhere

ICD-10-CM Codes›N00–N99›N70-N77›N74

ICD-10-CM N74
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

N74 is a billable ICD-10-CM diagnosis code for female pelvic inflammatory disorders in diseases classified elsewhere. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 742 through 743, 757 through 759. The code is a manifestation code that cannot be reported as the principal diagnosis. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Inflammatory diseases of female pelvic organs.

Code Identity

ICD-10-CM Code
N74
Billable Status
Yes — Valid for Submission
Code Describes
Female pelvic inflammatory disorders in diseases classified elsewhere
Short Description
Female pelvic inflam disorders in diseases classd elswhr
Chapter
N70-N77
Inflammatory diseases of female pelvic organs

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN70-N77Inflammatory diseases of female pelvic organs
CategoryN74Female pelvic inflammatory disorders in diseases classified elsewhere
This CodeN74Female pelvic inflammatory disorders in diseases classified elsewhere

Code EditsBilling

Medicare Code Editor checks that affect claim validity for N74.

Manifestation diagnoses
Manifestation codes describe the manifestation of an underlying disease, not the disease itself, and therefore should not be used as a principal diagnosis.

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to N74: its own notes plus those printed at block N70-N77 and Chapter 14. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

On N74 itself
  • chlamydial cervicitis (A56.02)
  • chlamydial pelvic inflammatory disease (A56.11)
  • gonococcal cervicitis (A54.03)
  • gonococcal pelvic inflammatory disease (A54.24)
  • herpesviral [herpes simplex] cervicitis (A60.03)
  • herpesviral [herpes simplex] pelvic inflammatory disease (A60.09)
  • syphilitic cervicitis (A52.76)
  • syphilitic pelvic inflammatory disease (A52.76)
  • trichomonal cervicitis (A59.09)
  • tuberculous cervicitis (A18.16)
  • tuberculous pelvic inflammatory disease (A18.17)
From Block N70-N77 Inflammatory diseases of female pelvic organs applies to 39 codes
  • inflammatory diseases of female pelvic organs complicating:
  • abortion or ectopic or molar pregnancy (O00-O07, O08.0)
  • pregnancy, childbirth and the puerperium (O23.-, O75.3, O85, O86.-)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 14 (N00-N99) Diseases of the genitourinary system applies to 838 codes
  • 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)

Code First

The underlying condition named in the note is sequenced before this code.

  • underlying disease

Code Also

A second code may be needed to fully describe the condition; the note gives no sequencing direction.

From Block N70-N77 Inflammatory diseases of female pelvic organs applies to 39 codes
  • if applicable, pelvic abscess (K6A.0-)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR GEN018
Inflammatory diseases of female pelvic organs
Default principal diagnosis: inpatient No · outpatient No

Patient EducationClinical

Pelvic Inflammatory Disease

Pelvic inflammatory disease (PID) is an infection of the uterus, ovaries, and other female reproductive organs. PID causes scarring in these organs. This can lead to infertility, ectopic pregnancy, pelvic pain, abscesses (a collection of pus), and other serious problems.

The full article covers:

  • What is pelvic inflammatory disease?
  • What causes pelvic inflammatory disease?
  • What are the symptoms of pelvic inflammatory disease?
  • How is pelvic inflammatory disease diagnosed?
  • What is the treatment for pelvic inflammatory disease?
  • Can pelvic inflammatory disease be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert N74 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
614.8 Fem pelv inflam dis NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About N74Overview

What is the ICD-10 code for female pelvic inflammatory disorders in diseases classified elsewhere?

The ICD-10-CM code for female pelvic inflammatory disorders in diseases classified elsewhere is N74. It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is N74 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report female pelvic inflammatory disorders in diseases classified elsewhere on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does N74 group to?

On inpatient claims, female pelvic inflammatory disorders in diseases classified elsewhere maps to MS-DRG 742, 759, 743, 758, 757, with relative weights from 0.7687 to 1.8448 depending on complications. Higher weights mean higher Medicare reimbursement.

Can N74 be a principal diagnosis?

No. This is a manifestation code: female pelvic inflammatory disorders in diseases classified elsewhere describes the manifestation of an underlying disease rather than the disease itself, so the underlying condition is sequenced first.

Can N74 be reported with A56.02?

Not as a rule. The Excludes1 note on N74 lists "chlamydial cervicitis (A56.02)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).