2027 ICD-10-CM Diagnosis Code B06.9Rubella without complication

ICD-10-CM Codes›A00–B99›B00-B09›B06

ICD-10-CM B06.9
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

B06.9 is a billable ICD-10-CM diagnosis code for rubella without complication. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 865 through 866. Coders also document this condition as pregnancy eruption. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Viral infection.

Code Identity

ICD-10-CM Code
B06.9
Billable Status
Yes — Valid for Submission
Code Describes
Rubella without complication
Short Description
Rubella without complication
Same as the full description in the CMS dataset.
Parent Code
B06
Rubella [German measles]

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionB00-B09Viral infections characterized by skin and mucous membrane lesions
CategoryB06Rubella [German measles]
This CodeB06.9Rubella without complication

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Pregnancy eruption
  • Rubella
  • Rubella in mother complicating childbirth
  • Rubella in mother complicating pregnancy, childbirth AND/OR puerperium
  • Rubella in pregnancy
  • Viral disease in mother complicating childbirth

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to B06.9: its own notes plus those printed at B06 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

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.

  • Rubella NOS

Excludes1

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

From B06 Rubella [German measles] applies to 8 codes
  • congenital rubella (P35.0)

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.

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 INF008
Viral infection
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Rubella

    an acute infectious disease caused by the rubella virus. the virus enters the respiratory tract via airborne droplet and spreads to the lymphatic system.

Patient EducationClinical

Rubella

Rubella is an infection caused by a virus. It is usually mild with fever and a rash. About half of the people who get rubella do not have symptoms. If you do get them, symptoms may include:

Read the full article at MedlinePlus

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

Convert B06.9 to ICD-9-CMHistory

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

ICD-9-CM
056.9 Rubella uncomplicated
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 B06.9Overview

What is the ICD-10 code for rubella without complication?

The ICD-10-CM code for rubella without complication is B06.9 (sometimes written as B069). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is B06.9 (Rubella [German measles]) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report rubella without complication on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does B06.9 group to?

When rubella without complication is the principal diagnosis on an inpatient stay, it groups to MS-DRG 866, 865, with relative weights from 0.8691 to 1.3153 depending on complications. Higher weights mean higher Medicare reimbursement.

Can B06.9 be reported with P35.0?

Not as a rule. The Excludes1 note at B06, which applies to B06.9, lists "congenital rubella (P35.0)". 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 B06.9?

Under the General Equivalence Mappings, rubella without complication converts to ICD-9-CM 056.9 (rubella uncomplicated). The mapping is a direct match.