AutoICD API

C39.9

Billable

Malignant neoplasm of lower respiratory tract, part unsp

Malignant neoplasm of lower respiratory tract, part unspecified

Status

Billable / Specific

Block

C30-C39

Parent Code

C39

ICD-11 Mapping

1 equivalent

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Malignant neoplasm of respiratory tract NOS

Includes

Conditions included under this code

  • malignant neoplasm of middle ear

Excludes 1

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

Use Additional Code

Additional codes that should follow this code

Related Codes(1)
C39.0

Malignant neoplasm of upper respiratory tract, part unsp

Billable
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

2C29.ZMalignant neoplasms of other or ill-defined sites in the respiratory system or intrathoracic organs, unspecifiedequivalentPrimary
Also Known As / Clinical Terms(37)

SNOMED CT

UMLS

Clinical Terms

  • Primary malignant synovioma
  • Primary rhabdomyosarcoma of respiratory organ
  • Cancer of respiratory system
  • Malignant neoplasm of respiratory system
  • Synovial sarcoma
  • Malignant neoplasm of respiratory system (disorder)
  • Primary synovial sarcoma of respiratory organ
  • Malignant respiratory tract neoplasm NOS
  • Malignant neoplasm of respiratory tract NOS
  • Malignant respiratory tract neoplasm
  • Primary synovial sarcoma
  • Malignant Respiratory System Neoplasm
  • Malignant neoplasm of lower respiratory tract
  • Malignant synovioma
  • Primary malignant neoplasm of respiratory tract
  • Primary squamous cell carcinoma of respiratory system
Frequently Asked Questions
What is the ICD-10 code for malignant neoplasm of lower respiratory tract, part unsp?

The ICD-10-CM code for malignant neoplasm of lower respiratory tract, part unsp is C39.9. The full clinical description is "Malignant neoplasm of lower respiratory tract, part unspecified". C39.9 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code C39.9 mean?

ICD-10-CM code C39.9 represents “Malignant neoplasm of lower respiratory tract, part unspecified”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.

Is C39.9 a billable code?

Yes, C39.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is C39.9 in?

C39.9 is in Chapter 2: Neoplasms (codes C00-D49).

What codes cannot be used with C39.9?

C39.9 has Excludes1 notes indicating codes that cannot be used together with it, including: mesothelioma (C45.-); intrathoracic malignant neoplasm NOS (C76.1); thoracic malignant neoplasm NOS (C76.1).

Are additional codes required with C39.9?

Yes, when using C39.9, also report: ; 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 SNOMED CT codes does C39.9 map to?

C39.9 maps to 8 SNOMED CT concepts: 449096009, 430621000, 302851001, 93986008, 1268484002, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for C39.9?

C39.9 is linked to 2 UMLS Concept Unique Identifiers: C3164456, C2837964. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does C39.9 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like malignant neoplasm of lower respiratory tract, part unsp 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 C39.9?

C39.9 maps to the ICD-11 code: 2C29.Z (Malignant neoplasms of other or ill-defined sites in the respiratory system or intrathoracic organs, unspecified).

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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.