AutoICD API

W49.01

Non-billable

Hair causing external constriction

Hair causing external constriction

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

Status

Non-billable / Header

Block

W20-W49

Parent Code

W49.0

Child Codes

3

Coding Notes

Includes

Conditions included under this code

  • exposure to abnormal gravitational [G] forces
  • exposure to inanimate mechanical forces NEC

Excludes 1

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

  • assault (X92-Y09)
  • contact or collision with animals or persons (W50-W64)
  • exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-)
  • intentional self-harm (X71-X83)

Child Codes (3)

W49.01XA

Hair causing external constriction, initial encounter

BillableW49.01XD

Hair causing external constriction, subsequent encounter

BillableW49.01XS

Hair causing external constriction, sequela

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is the ICD-10 code for hair causing external constriction?

The ICD-10-CM code for hair causing external constriction is W49.01. The full clinical description is "Hair causing external constriction". W49.01 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code W49.01 mean?

ICD-10-CM code W49.01 represents "Hair causing external constriction". It is classified under Chapter 21: External Causes of Morbidity and is a non-billable header code. Use a more specific child code for billing purposes.

Is W49.01 a billable code?

No, W49.01 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 W49.01.

What chapter is W49.01 in?

W49.01 is in Chapter 21: External Causes of Morbidity (codes V00-Y99).

What codes cannot be used with W49.01?

W49.01 has Excludes1 notes indicating codes that cannot be used together with it, including: assault (X92-Y09); contact or collision with animals or persons (W50-W64); exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-); and 1 more.

What are the subcategories under W49.01?

W49.01 has 3 child codes, including: W49.01XA (Hair causing external constriction, initial encounter), W49.01XD (Hair causing external constriction, subsequent encounter), W49.01XS (Hair causing external constriction, sequela).

What are the UMLS CUIs for W49.01?

W49.01 is linked to 1 UMLS Concept Unique Identifier: C1260473. 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.