2026 ICD-10-CM Diagnosis Code B95.5Unspecified streptococcus as the cause of diseases classified elsewhere

ICD-10-CM Codes›A00–B99›B95-B97›B95

ICD-10-CM B95.5
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

B95.5 is a billable ICD-10-CM diagnosis code for unspecified streptococcus as the cause of diseases classified elsewhere. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 867 through 869. The code is not accepted as a principal diagnosis by the Medicare Code Editor. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Bacterial infections.

Code Identity

ICD-10-CM Code
B95.5
Billable Status
Yes — Valid for Submission
Code Describes
Unspecified streptococcus as the cause of diseases classified elsewhere
Short Description
Unsp streptococcus as the cause of diseases classd elswhr
Parent Code
B95
Streptococcus, Staphylococcus, and Enterococcus as the cause of diseases classified elsewhere

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionB95-B97Bacterial and viral infectious agents
CategoryB95Streptococcus, Staphylococcus, and Enterococcus as the cause of diseases classified elsewhere
This CodeB95.5Unspecified streptococcus as the cause of diseases classified elsewhere

Code EditsBilling

Medicare Code Editor checks that affect claim validity for B95.5.

Unacceptable principal diagnosis
There are selected codes that describe a circumstance which influences an individual's health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Acute bacterial pericarditis
  • Acute streptococcal pericarditis
  • Anogenital streptococcal cellulitis of infancy and childhood
  • Arthritis of bilateral knee joints caused by bacteria
  • Arthritis of joint of bilateral ankles caused by bacteria
  • Arthritis of joint of elbow caused by Streptococcus
  • Arthritis of joint of left elbow caused by Streptococcus
  • Arthritis of joint of left hand caused by Streptococcus
  • Arthritis of joint of left wrist region caused by Streptococcus
  • Arthritis of joint of right elbow caused by Streptococcus
  • Arthritis of joint of right hand caused by Streptococcus
  • Arthritis of joint of right wrist region caused by Streptococcus
  • Arthritis of joint of wrist region caused by Streptococcus
  • Arthritis of joint structure of spine caused by Streptococcus
  • Arthritis of left ankle caused by bacteria
  • Arthritis of left ankle caused by Streptococcus
  • Arthritis of left elbow caused by bacteria
  • Arthritis of left hand caused by bacteria
  • Arthritis of left hip caused by bacteria
  • Arthritis of left hip caused by Streptococcus
  • Arthritis of left knee caused by bacteria
  • Arthritis of left shoulder caused by bacteria
  • Arthritis of left shoulder caused by Streptococcus
  • Arthritis of left wrist caused by bacteria
  • Arthritis of right ankle caused by bacteria
  • Arthritis of right ankle caused by Streptococcus
  • Arthritis of right elbow caused by bacteria
  • Arthritis of right hand caused by bacteria
  • Arthritis of right hip caused by bacteria
  • Arthritis of right hip caused by Streptococcus
  • Arthritis of right knee caused by bacteria
  • Arthritis of right shoulder caused by bacteria
  • Arthritis of right shoulder caused by Streptococcus
  • Arthritis of right wrist caused by bacteria
  • Bacterial arthritis of elbow
  • Bacterial arthritis of vertebral column
  • Bacterial pleurisy
  • Bacterial pleurisy with effusion
  • Bacterial vaginosis
  • Bilateral arthritis of ankles caused by Streptococcus
  • Bilateral infective arthritis of hands
  • Bilateral infective arthritis of knees
  • Cellulitis of perineum
  • Cellulitis of pinna
  • Cutaneous streptococcal ulcer
  • Erythema nodosum due to bacterial infection
  • Erythema nodosum due to streptococcal infection
  • Food poisoning caused by streptococcus
  • Gingival disease caused by bacteria
  • Gingival disease caused by Streptococcus
  • Infantile streptococcal infection
  • Infection of breast in neonate caused by Streptococcus
  • Infection of lacrimal gland caused by bacterium
  • Infective arthritis of joint of left shoulder region
  • Infective arthritis of joint of right shoulder region
  • Infective arthritis of left ankle
  • Infective arthritis of left elbow
  • Infective arthritis of left hand
  • Infective arthritis of left hip
  • Infective arthritis of left wrist
  • Infective arthritis of right ankle
  • Infective arthritis of right elbow
  • Infective arthritis of right hand
  • Infective arthritis of right hip
  • Infective arthritis of right wrist
  • Intertrigo
  • Necrotizing fasciitis
  • Necrotizing fasciitis caused by Streptococcus pyogenes
  • Neonatal infective mastitis
  • Neonatal mastitis
  • Neonatal necrotizing fasciitis
  • Neonatal necrotizing fasciitis caused by Streptococcus
  • Neonatal streptococcal infection
  • Non-bullous impetigo
  • Omphalitis
  • Omphalitis of newborn
  • Pediatric autoimmune neuropsychiatric disorder associated with streptococcal infection
  • Perianal streptococcal infection of newborn
  • Perinatal streptococcal infection
  • Pleurisy with effusion
  • Septic myocarditis - streptococcal
  • Streptococcal arthritis of bilateral hands
  • Streptococcal arthritis of bilateral knees
  • Streptococcal arthritis of hand
  • Streptococcal arthritis of knee
  • Streptococcal arthritis of left knee
  • Streptococcal arthritis of right knee
  • Streptococcal cellulitis
  • Streptococcal cellulitis of external ear
  • Streptococcal cervicitis
  • Streptococcal dacryoadenitis
  • Streptococcal impetigo
  • Streptococcal infection of mouth
  • Streptococcal infection of skin
  • Streptococcal intertrigo
  • Streptococcal mastitis
  • Streptococcal meningitis
  • Streptococcal omphalitis
  • Streptococcal pleurisy
  • Streptococcal pleurisy with effusion
  • Streptococcal skin disorder
  • Streptococcal toxic shock syndrome
  • Streptococcal toxin mediated cutaneous reaction
  • Streptococcal toxin-mediated perineal erythema
  • Streptococcal vulvovaginitis
  • Streptococcus infection of the central nervous system
  • Streptococcus pyogenes infection
  • Toxic shock syndrome

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Infection, infected, infective(opportunistic)
      • bacterial NOS
        • as cause of disease classified elsewhere
          • Streptococcus
    • Infection, infected, infective(opportunistic)
      • streptococcal NEC
        • as cause of disease classified elsewhere
    • Streptococcus, streptococcal
      • as cause of disease classified elsewhere

Clinical ClassificationClinical

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

CCSR INF003
Bacterial infections
Default principal diagnosis: inpatient No · outpatient No

Clinical InformationClinical

  • Intertrigo

    a superficial dermatitis occurring on skin surfaces in contact with each other, such as the axillae, neck creases, intergluteal fold, between the toes, etc. obesity is a predisposing factor. the condition is caused by moisture and friction and is characterized by erythema, maceration, burning, and exudation.

  • Omphalitis

    inflammation of the umbilical cord stump in newborns.

  • Funisitis

    an acute inflammation of the umbilical cord. it is characterized by the presence of polymorphonuclear cells migrating from the fetal umbilical cord vessels through the umbilical cord towards the bacteria containing amniotic fluid.

  • Necrotizing Funisitis|Sclerosing Funisitis|Sclerosing Funisitis

    a ring of karyorrhectic debris that may exhibit dystrophic mineralization and/or identifiable fetal neutrophil infiltrate in wharton's jelly that is oriented towards the amniotic surface. the cord has a denser ring externally and a fainter ring centrally.

  • Necrotizing Fasciitis

    infection of the deep skin and subcutaneous tissues and necrosis of the fascia. it is caused by bacteria including group a streptococcus, staphylococcus aureus and clostridium perfringens. it may develop following trauma and invasive procedures.

Patient EducationClinical

Streptococcal Infections

Strep is short for Streptococcus, a type of bacteria. There are several types. Two of them cause most of the strep infections in people: group A and group B.

Read the full article at MedlinePlus

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

Convert B95.5 to ICD-9-CMHistory

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

ICD-9-CM
041.00 Streptococcus unspecf
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 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About B95.5Overview

Is B95.5 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report unspecified streptococcus as the cause of diseases classified elsewhere on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does B95.5 group to?

On inpatient claims, unspecified streptococcus as the cause of diseases classified elsewhere maps to MS-DRG 867, 868, 869, with relative weights from 0.7297 to 2.0932 depending on complications. Higher weights mean higher Medicare reimbursement.

Can B95.5 be a principal diagnosis?

No. The Medicare Code Editor rejects this code as a principal diagnosis because unspecified streptococcus as the cause of diseases classified elsewhere describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.

What is the ICD-9 equivalent of B95.5?

Under the General Equivalence Mappings, unspecified streptococcus as the cause of diseases classified elsewhere converts to ICD-9-CM 041.00 (Streptococcus unspecf). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.