AutoICD API

J03.9

Non-billable

Acute tonsillitis, unspecified

Acute tonsillitis, unspecified

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

J00-J06

Parent Code

J03

Child Codes

2

ICD-11 Mapping

1 equivalent

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Follicular tonsillitis (acute)
  • Gangrenous tonsillitis (acute)
  • Infective tonsillitis (acute)
  • Tonsillitis (acute) NOS
  • Ulcerative tonsillitis (acute)

Child Codes (2)

Related Codes(2)
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

Also Known As / Clinical Terms(19)
Frequently Asked Questions
What is the ICD-10 code for acute tonsillitis, unspecified?

The ICD-10-CM code for acute tonsillitis, unspecified is J03.9. The full clinical description is "Acute tonsillitis, unspecified". J03.9 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code J03.9 mean?

ICD-10-CM code J03.9 represents “Acute tonsillitis, unspecified”. It is classified under Chapter 10: Diseases of the Respiratory System and is a non-billable header code. Use a more specific child code for billing purposes.

Is J03.9 a billable code?

No, J03.9 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under J03.9.

What chapter is J03.9 in?

J03.9 is in Chapter 10: Diseases of the Respiratory System (codes J00-J99).

What codes cannot be used with J03.9?

J03.9 has Excludes1 notes indicating codes that cannot be used together with it, including: chronic obstructive pulmonary disease with acute lower respiratory infection (J44.0); acute sore throat (J02.-); hypertrophy of tonsils (J35.1); and 4 more.

What are the subcategories under J03.9?

J03.9 has 2 child codes, including: J03.90 (Acute tonsillitis, unspecified), J03.91 (Acute recurrent tonsillitis, unspecified).

Are additional codes required with J03.9?

Yes, when using J03.9, also report: code, where applicable, to identify:; exposure to environmental tobacco smoke (Z77.22); exposure to tobacco smoke in the perinatal period (P96.81); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0).

What are the UMLS CUIs for J03.9?

J03.9 is linked to 5 UMLS Concept Unique Identifiers: C0001361, C0396018, C0339866, C0396019, C2004537. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does J03.9 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like acute tonsillitis, unspecified 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 J03.9?

J03.9 maps to the ICD-11 code: CA03.Z (Acute tonsillitis, unspecified).

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

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.