2027 ICD-10-CM Diagnosis Code P39Other infections specific to the perinatal period

ICD-10-CM Codes›P00–P96›P35-P39›P39

ICD-10-CM P39
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

P39 is a non-billable ICD-10-CM category code for other infections specific to the perinatal period, so it cannot be submitted on claims. Use a more specific code from this category instead, such as P39.0, P39.1, P39.2, and P39.3.

Code Identity

ICD-10-CM Code
P39
Billable Status
No — Non-Billable Category
Code Describes
Other infections specific to the perinatal period
Short Description
Other infections specific to the perinatal period
Same as the full description in the CMS dataset.
Chapter
P35-P39
Infections specific to the perinatal period

Code Classification

ChapterP00–P96Certain conditions originating in the perinatal period
SectionP35-P39Infections specific to the perinatal period
CategoryP39Other infections specific to the perinatal period
This CodeP39Other infections specific to the perinatal period

Specific Coding for Other infections specific to the perinatal periodOverview

Non-specific codes like P39 require more characters. Use one of these billable codes instead:

  • Use P39.0 for Neonatal infective mastitis

  • Use P39.1 for Neonatal conjunctivitis and dacryocystitis

  • Use P39.2 for Intra-amniotic infection affecting newborn, not elsewhere classified

  • Use P39.3 for Neonatal urinary tract infection

  • Use P39.4 for Neonatal skin infection

  • Use P39.8 for Other specified infections specific to the perinatal period

  • Use P39.9 for Infection specific to the perinatal period, unspecified

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to P39: its own notes plus those printed at block P35-P39 and Chapter 16. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

From Chapter 16 (P00-P96) Certain conditions originating in the perinatal period applies to 463 codes
  • conditions that have their origin in the fetal or perinatal period (before birth through the first 28 days after birth) even if morbidity occurs later

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 Block P35-P39 Infections specific to the perinatal period applies to 34 codes
  • asymptomatic human immunodeficiency virus [HIV] infection status (Z21)
  • congenital gonococcal infection (A54.-)
  • congenital pneumonia (P23.-)
  • congenital syphilis (A50.-)
  • human immunodeficiency virus [HIV] disease (B20)
  • infant botulism (A48.51)
  • infectious diseases not specific to the perinatal period (A00-B99, J09, J10.-)
  • intestinal infectious disease (A00-A09)
  • laboratory evidence of human immunodeficiency virus [HIV] (R75)
  • tetanus neonatorum (A33)
From Chapter 16 (P00-P96) Certain conditions originating in the perinatal period applies to 463 codes
  • 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)
  • tetanus neonatorum (A33)

Use Additional Code

Add a second code, after this one, to fully describe the condition.

  • code to identify organism or specific infection

Notes

General instructions on how these codes are used.

From Chapter 16 (P00-P96) Certain conditions originating in the perinatal period applies to 463 codes
  • Codes from this chapter are for use on newborn records only, never on maternal records

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

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name P39, its category, or a range that includes it.

Excludes2 2

These codes carry an Excludes2 note naming P39: its condition is not part of those codes, and both may be reported when the patient has both.

  • Chapter 1 (A00-B99) Certain infectious and parasitic diseases
    infectious and parasitic diseases specific to the perinatal period (P35-P39) names P35-P39, which includes this code
  • P00.2 Newborn affected by maternal infectious and parasitic diseases
    infections specific to the perinatal period (P35-P39) names P35-P39, which includes this code

Patient EducationClinical

Infectious Diseases

Germs, or microbes, are found everywhere - in the air, soil, and water. There are also germs on your skin and in your body. Many of them are harmless, and some can even be helpful. But some of them can make you sick. Infectious diseases are diseases that are caused by germs.

The full article covers:

  • What are infectious diseases?
  • What are the different types of germs that cause infectious diseases?
  • How can you get infectious diseases?
  • What are the symptoms of infectious diseases?
  • What are the treatments for infectious diseases?
  • Can infectious diseases be prevented?

Read the full article at MedlinePlus

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

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 P39Overview

What is the ICD-10 code for other infections specific to the perinatal period?

P39 is the ICD-10-CM category for other infections specific to the perinatal period, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is P39 (Other infections specific to the perinatal period) a billable code?

No. This is a category header that groups the codes for other infections specific to the perinatal period, and headers cannot be submitted on claims. Claims for other infections specific to the perinatal period need a more specific code from this category, such as P39.0, P39.1, and P39.2.

Does P39 need an additional code?

When the condition applies, yes. The Use Additional Code note reads: code to identify organism or specific infection. The additional code is reported after P39.