S00.449
Non-billableExternal constriction of unspecified ear
External constriction of unspecified ear
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- injuries of ear
- injuries of eye
- injuries of face [any part]
- injuries of gum
- injuries of jaw
- injuries of oral cavity
- injuries of palate
- injuries of periocular area
- injuries of scalp
- injuries of temporomandibular joint area
- injuries of tongue
- injuries of tooth
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- burns and corrosions (T20-T32)
- effects of foreign body in ear (T16)
- effects of foreign body in larynx (T17.3)
- effects of foreign body in mouth NOS (T18.0)
- effects of foreign body in nose (T17.0-T17.1)
- effects of foreign body in pharynx (T17.2)
- effects of foreign body on external eye (T15.-)
- frostbite (T33-T34)
- insect bite or sting, venomous (T63.4)
Use Additional Code
Additional codes that should follow this code
- code to identify any retained foreign body, if applicable (Z18.-)
Code Also
A second code may be required; sequencing depends on circumstances
- for any associated infection
Child Codes (3)
Also Known As / Clinical Terms
Frequently Asked Questions
What is the ICD-10 code for external constriction of unspecified ear?
The ICD-10-CM code for external constriction of unspecified ear is S00.449. The full clinical description is "External constriction of unspecified ear". S00.449 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code S00.449 mean?
ICD-10-CM code S00.449 represents "External constriction of unspecified ear". It is classified under Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes and is a non-billable header code. Use a more specific child code for billing purposes.
Is S00.449 a billable code?
No, S00.449 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under S00.449.
What chapter is S00.449 in?
S00.449 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with S00.449?
S00.449 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71); diffuse cerebral contusion (S06.2-); and 3 more.
What are the subcategories under S00.449?
S00.449 has 3 child codes, including: S00.449A (External constriction of unspecified ear, initial encounter), S00.449D (External constriction of unspecified ear, subs encntr), S00.449S (External constriction of unspecified ear, sequela).
Are additional codes required with S00.449?
Yes, when using S00.449 you should also code: code to identify any retained foreign body, if applicable (Z18.-).
What are the UMLS CUIs for S00.449?
S00.449 is linked to 1 UMLS Concept Unique Identifier: C2830830. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.