2020 ICD-10-CM Diagnosis Code B05.1

Measles complicated by meningitis

    2016 2017 2018 2019 2020 Billable/Specific Code
  • B05.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM B05.1 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of B05.1 - other international versions of ICD-10 B05.1 may differ.
Applicable To
  • Postmeasles meningitis
The following code(s) above B05.1 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to B05.1:
  • A00-B99
    2020 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • carrier or suspected carrier of infectious disease (Z22.-)
    • 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 to identify resistance to antimicrobial drugs (Z16.-)
    Certain infectious and parasitic diseases
  • B05
    ICD-10-CM Diagnosis Code B05

    Measles

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Includes
    • morbilli
    Type 1 Excludes
    • subacute sclerosing panencephalitis (A81.1)
    Measles
ICD-10-CM B05.1 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems
  • 865 Viral illness with mcc
  • 866 Viral illness without mcc

Convert B05.1 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
Code annotations containing back-references to B05.1:
  • Type 1 Excludes: A87
    , G04.01
    , G02
    ICD-10-CM Diagnosis Code A87

    Viral meningitis

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • meningitis due to herpesvirus [herpes simplex] (B00.3)
    • meningitis due to herpesvirus [herpes simplex] (B00.3)
    • meningitis due to measles virus (B05.1)
    • meningitis due to mumps virus (B26.1)
    • meningitis due to poliomyelitis virus (A80.-)
    • meningitis due to zoster (B02.1)
    ICD-10-CM Diagnosis Code G04.01

    Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)

      2016 2017 2018 2019 2020 Billable/Specific Code
    Type 1 Excludes
    • post chickenpox encephalitis (B01.1)
    • post measles encephalitis (B05.0)
    • post measles myelitis (B05.1)
    ICD-10-CM Diagnosis Code G02

    Meningitis in other infectious and parasitic diseases classified elsewhere

      2016 2017 2018 2019 2020 Billable/Specific Code Manifestation Code
    Code First
    • underlying disease, such as:
    • African trypanosomiasis (B56.-)
    • poliovirus infection (A80.-)
    Type 1 Excludes
    • candidal meningitis (B37.5)
    • coccidioidomycosis meningitis (B38.4)
    • cryptococcal meningitis (B45.1)
    • herpesviral [herpes simplex] meningitis (B00.3)
    • infectious mononucleosis complicated by meningitis (B27.- with fourth character 2)
    • measles complicated by meningitis (B05.1)
    • meningoencephalitis and meningomyelitis in other infectious and parasitic diseases classified elsewhere (G05)
    • mumps meningitis (B26.1)
    • rubella meningitis (B06.02)
    • varicella [chickenpox] meningitis (B01.0)
    • zoster meningitis (B02.1)

Diagnosis Index entries containing back-references to B05.1:
  • Measles (black) (hemorrhagic) (suppressed) B05.9
    ICD-10-CM Diagnosis Code B05.9

    Measles without complication

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Measles NOS
    • with
      • meningitis B05.1
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) G03.9
    ICD-10-CM Diagnosis Code G03.9

    Meningitis, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Arachnoiditis (spinal) NOS
    • in (due to)
      • measles B05.1
    • postmeasles B05.1

ICD-10-CM Codes Adjacent To B05.1
B02.33 Zoster keratitis
B02.34 Zoster scleritis
B02.39 Other herpes zoster eye disease
B02.7 Disseminated zoster
B02.8 Zoster with other complications
B02.9 Zoster without complications
B03 Smallpox
B04 Monkeypox
B05 Measles
B05.0 Measles complicated by encephalitis
B05.1 Measles complicated by meningitis
B05.2 Measles complicated by pneumonia
B05.3 Measles complicated by otitis media
B05.4 Measles with intestinal complications
B05.8 Measles with other complications
B05.81 Measles keratitis and keratoconjunctivitis
B05.89 Other measles complications
B05.9 Measles without complication
B06 Rubella [German measles]
B06.0 Rubella with neurological complications
B06.00 Rubella with neurological complication, unspecified

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.