DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

G03 Meningitis due to other and unspecified causes

  • Header · not billable

G03 is not billable. The category heads 5 billable codes in FY2027: the 5 codes directly below it.

Index → code

  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) → G03.9
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)sterile → G03.0
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)abacterial → G03.0

Where it sits

  1. Chapter 6 Diseases of the nervous system (G00-G99)
  2. G00-G09 Inflammatory diseases of the central nervous system (G00-G09)
  3. G03 Meningitis due to other and unspecified causes
Billable codes
5
Subdivisions
5
CC / MCC codes
2 / 3
HCC V28 codes
0
New FY2027
0
Index entries
14

Codes in G03

  1. G03.0
    Nonpyogenic meningitis
    BillableMCC
    Inclusion terms 2

    Inclusion terms

    • Aseptic meningitis
    • Nonbacterial meningitis
  2. G03.1
    Chronic meningitis
    BillableCC
  3. G03.2
    Benign recurrent meningitis [Mollaret]
    BillableCC
  4. G03.8
    Meningitis due to other specified causes
    BillableMCC
  5. G03.9
    Meningitis, unspecified
    BillableMCC
    Inclusion terms 1

    Inclusion terms

    • Arachnoiditis (spinal) NOS

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At G03

Includes

  • arachnoiditis NOS
  • leptomeningitis NOS
  • meningitis NOS
  • pachymeningitis NOS

Excludes1

  • meningoencephalitis (G04.-) G04
  • meningomyelitis (G04.-) G04

Notes that also apply

Chapter 6 instructions (Excludes2 8): printed on the chapter 6 page.

Index entries

  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) → G03.9
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)abacterial → G03.0
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)aseptic (acute) → G03.0
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)clear cerebrospinal fluid NEC → G03.0
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)nonbacterial → G03.0
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)nonpyogenic NEC → G03.0
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)serosa circumscripta NEC → G03.0
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)sterile → G03.0
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)chronic NEC → G03.1
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)benign recurrent (Mollaret) → G03.2
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)Mollaret (benign recurrent) → G03.2
  • Complication(s) (from) (of)vaccinationmeningitis → G03.8
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)in (due to)preventive immunization, inoculation or vaccination → G03.8
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)in (due to)specified cause NEC → G03.8

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy