2027 ICD-10-CM Diagnosis Code B30.2Viral pharyngoconjunctivitis

ICD-10-CM Codes›A00–B99›B25-B34›B30

ICD-10-CM B30.2
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

B30.2 is a billable ICD-10-CM diagnosis code for viral pharyngoconjunctivitis. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 124 through 125. Coders also document this condition as adenoviral pharyngitis. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Cornea and external disease and Viral infection.

Code Identity

ICD-10-CM Code
B30.2
Billable Status
Yes — Valid for Submission
Code Describes
Viral pharyngoconjunctivitis
Short Description
Viral pharyngoconjunctivitis
Same as the full description in the CMS dataset.
Parent Code
B30
Viral conjunctivitis

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionB25-B34Other viral diseases
CategoryB30Viral conjunctivitis
This CodeB30.2Viral pharyngoconjunctivitis

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Adenoviral pharyngitis
  • Adenoviral pharyngoconjunctivitis
  • Adenoviral respiratory disease
  • Viral pharyngoconjunctivitis

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to B30.2: its own notes plus those printed at B30 and Chapter 1. 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 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • diseases generally recognized as communicable or transmissible

Excludes1

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

From B30 Viral conjunctivitis applies to 6 codes
  • herpesviral [herpes simplex] ocular disease (B00.5)
  • ocular zoster (B02.3)

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 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • carrier or suspected carrier of infectious disease (Z22.-)
  • certain localized infections - see body system-related chapters
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)

Use Additional Code

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

From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • code to identify resistance to antimicrobial drugs (Z16.-)

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

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name B30.2, its category, or a range that includes it.

Applicable To 1

These notes mention B30.2.

  • O98.5 Other viral diseases complicating pregnancy, childbirth and the puerperium
    Conditions in A80-B09, B25-B34, R87.81-, R87.82- names B25-B34, which includes this code

Excludes1 1

These codes carry an Excludes1 note naming B30.2: they are not reported together with it, unless the two conditions are unrelated.

  • H10.23 Serous conjunctivitis, except viral
    viral conjunctivitis (B30.-) names B30.-, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

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

CCSR EYE001
Cornea and external disease
Default principal diagnosis: inpatient Yes · outpatient Yes
CCSR INF008
Viral infection
Default principal diagnosis: inpatient No · outpatient No

Clinical InformationClinical

  • Conjunctivitis, Viral

    inflammation, often mild, of the conjunctiva caused by a variety of viral agents. conjunctival involvement may be part of a systemic infection.

Patient EducationClinical

Pink Eye

Conjunctivitis is the medical name for pink eye. It involves inflammation of the outer layer of the eye and inside of the eyelid. It can cause swelling, itching, burning, discharge, and redness. Causes include:

Read the full article at MedlinePlus

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

Convert B30.2 to ICD-9-CMHistory

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

ICD-9-CM
077.2 Pharyngoconjunct fever
Exact Match The mapping is direct, with no qualifiers.

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 B30.2Overview

What is the ICD-10 code for viral pharyngoconjunctivitis?

The ICD-10-CM code for viral pharyngoconjunctivitis is B30.2 (sometimes written as B302). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is B30.2 (Viral conjunctivitis) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report viral pharyngoconjunctivitis on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does B30.2 group to?

When viral pharyngoconjunctivitis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 125, 124, with relative weights from 0.7699 to 1.2470 depending on complications. Higher weights mean higher Medicare reimbursement.

Can B30.2 be reported with B00.5?

Not as a rule. The Excludes1 note at B30, which applies to B30.2, lists "herpesviral [herpes simplex] ocular disease (B00.5)". 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).

What is the ICD-9 equivalent of B30.2?

Under the General Equivalence Mappings, viral pharyngoconjunctivitis converts to ICD-9-CM 077.2 (pharyngoconjunct fever). The mapping is a direct match.