S23.421

Non-billable

Sprain of chondrosternal joint

Sprain of chondrosternal joint

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

Status

Non-billable / Header

Block

S20-S29

Parent Code

S23.42

Child Codes

3

Coding Notes

Includes

Conditions included under this code

  • injuries of breast
  • injuries of chest (wall)
  • injuries of interscapular area
  • avulsion of joint or ligament of thorax
  • laceration of cartilage, joint or ligament of thorax
  • sprain of cartilage, joint or ligament of thorax
  • traumatic hemarthrosis of joint or ligament of thorax
  • traumatic rupture of joint or ligament of thorax
  • traumatic subluxation of joint or ligament of thorax
  • traumatic tear of joint or ligament of thorax

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 bronchus (T17.5)
  • effects of foreign body in esophagus (T18.1)
  • effects of foreign body in lung (T17.8)
  • effects of foreign body in trachea (T17.4)
  • frostbite (T33-T34)
  • injuries of axilla
  • injuries of clavicle
  • injuries of scapular region
  • injuries of shoulder
  • insect bite or sting, venomous (T63.4)
  • dislocation, sprain of sternoclavicular joint (S43.2, S43.6)
  • strain of muscle or tendon of thorax (S29.01-)

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

  • any associated open wound

Child Codes (3)

Also Known As / Clinical Terms

Frequently Asked Questions

What is the ICD-10 code for sprain of chondrosternal joint?

The ICD-10-CM code for sprain of chondrosternal joint is S23.421. The full clinical description is "Sprain of chondrosternal joint". S23.421 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code S23.421 mean?

ICD-10-CM code S23.421 represents "Sprain of chondrosternal joint". 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 S23.421 a billable code?

No, S23.421 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 S23.421.

What chapter is S23.421 in?

S23.421 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with S23.421?

S23.421 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71).

What are the subcategories under S23.421?

S23.421 has 3 child codes, including: S23.421A (Sprain of chondrosternal joint, initial encounter), S23.421D (Sprain of chondrosternal joint, subsequent encounter), S23.421S (Sprain of chondrosternal joint, sequela).

Are additional codes required with S23.421?

Yes, when using S23.421 you should also code: code to identify any retained foreign body, if applicable (Z18.-).

What are the UMLS CUIs for S23.421?

S23.421 is linked to 1 UMLS Concept Unique Identifier: C0160118. 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.