AutoICD API

B02.21

Billable

Postherpetic geniculate ganglionitis

Postherpetic geniculate ganglionitis

Status

Billable / Specific

Block

B00-B09

Parent Code

B02.2

Coding Notes

Includes

Conditions included under this code

  • diseases generally recognized as communicable or transmissible
  • shingles
  • zona

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • certain localized infections - see body system-related chapters

Excludes 2

Conditions not included here, but the patient may have both

Use Additional Code

Additional codes that should follow this code

Related Codes(4)
B02.22

Postherpetic trigeminal neuralgia

BillableB02.23

Postherpetic polyneuropathy

BillableB02.24

Postherpetic myelitis

BillableB02.29

Other postherpetic nervous system involvement

Billable
Also Known As / Clinical Terms(99)

SNOMED CT

UMLS

Clinical Terms

  • Geniculate herpes zoster infection
  • Neuralgias, Geniculate
  • Geniculate Neuralgia
  • Herpes Zoster Cephalicus
  • Ramsay-Hunt syndrome
  • Herpes Zoster Auricularis
  • Acute geniculate ganglionitis caused by Human herpesvirus 3
  • Syndrome, Ramsay Hunt
  • Geniculate Ganglionitis, Herpetic
  • Ramsay Hunt Auricular Syndrome
  • Geniculate Neuralgias
  • Nervus intermedius neuralgia
  • Herpetic geniculate ganglionitis
  • Ramsay Hunt syndrome 2
  • Herpes zoster oticus
  • Herpetic Geniculate Ganglionitides
  • Geniculate ganglionitis
  • ramsey-hunt syndrome
  • Ramsay Hunt Syndrome
  • Geniculate otalgia
  • Neuralgia, Geniculate
  • Herpes zoster otitis externa
  • HZO - Herpes zoster oticus
  • hunt ramsey syndrome
  • Acute herpetic geniculate ganglionitis
  • Hunt's neuralgia
  • Ramsay Hunt syndrome - auricular
  • Geniculate Herpes Zoster
  • ramsey hunt syndrome
  • Herpes zoster auricularis (disorder)
  • Neuralgia facialis vera
  • Hunt neuralgia
  • Herpes zoster dermatitis
  • Facial neuralgia
  • Ganglionitis, Herpetic Geniculate
  • Auricular Syndrome of Ramsay Hunt
  • Geniculate Ganglionitides, Herpetic
  • hunts ramsey syndrome
  • Herpes Zoster, Geniculate
Frequently Asked Questions
What is the ICD-10 code for postherpetic geniculate ganglionitis?

The ICD-10-CM code for postherpetic geniculate ganglionitis is B02.21. The full clinical description is "Postherpetic geniculate ganglionitis". B02.21 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code B02.21 mean?

ICD-10-CM code B02.21 represents “Postherpetic geniculate ganglionitis”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a billable/specific code that can be used on a claim.

Is B02.21 a billable code?

Yes, B02.21 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is B02.21 in?

B02.21 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).

What codes cannot be used with B02.21?

B02.21 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters.

Are additional codes required with B02.21?

Yes, when using B02.21, also report: resistance to antimicrobial drugs (Z16.-).

What SNOMED CT codes does B02.21 map to?

B02.21 maps to 6 SNOMED CT concepts: 733167008, 4151000119102, 72839009, 21954000, 95670000, and 1 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for B02.21?

B02.21 is linked to 1 UMLS Concept Unique Identifier: C0017409. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does B02.21 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like postherpetic geniculate ganglionitis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of B02.21?

There is no direct ICD-11 mapping available for B02.21 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.