2027 ICD-10-CM Diagnosis Code B30.0Keratoconjunctivitis due to adenovirus
ICD-10-CM Codes›A00–B99›B25-B34›B30
- Billable — Valid for Submission
- Not Chronic
B30.0 is a billable ICD-10-CM diagnosis code for keratoconjunctivitis due to adenovirus. 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. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Cornea and external disease and Viral infection.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Adenoviral keratitis
- Bilateral keratoconjunctivitis of eyes
- Bilateral viral conjunctivitis
- Conjunctivitis caused by adenovirus
- Epidemic keratoconjunctivitis
- Epidemic keratoconjunctivitis of both eyes
- Epidemic keratoconjunctivitis of left eye
- Epidemic keratoconjunctivitis of right eye
- Keratitis of bilateral eyes caused by Adenovirus
- Keratitis of left eye caused by Adenovirus
- Keratitis of right eye caused by Adenovirus
- Keratoconjunctivitis caused by adenovirus
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to B30.0: 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.
- diseases generally recognized as communicable or transmissible
Applicable To
Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.
- Epidemic keratoconjunctivitis
- Shipyard eye
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
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.
- 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.
- 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 B30.0, its category, or a range that includes it.
Applicable To 1
These notes mention B30.0.
- O98.5 Other viral diseases complicating pregnancy, childbirth and the puerperium
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Disease, diseased See Also: Syndrome;
shipyard B30.0
epidemic B30.0
infectious B30.0
shipyard B30.0
Shipyard disease or eye B30.0
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
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 B30.0 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About B30.0Overview
What is the ICD-10 code for keratoconjunctivitis due to adenovirus?
The ICD-10-CM code for keratoconjunctivitis due to adenovirus is B30.0 (sometimes written as B300). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is B30.0 (Viral conjunctivitis) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report keratoconjunctivitis due to adenovirus on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does B30.0 group to?
When keratoconjunctivitis due to adenovirus 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 B30.0 be reported with B00.5?
Not as a rule. The Excludes1 note at B30, which applies to B30.0, 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 B30.0?
Under the General Equivalence Mappings, keratoconjunctivitis due to adenovirus converts to ICD-9-CM 077.1 (epidem keratoconjunctiv). The mapping is a direct match.
