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T66.9XXA
Billable

Radiation sickness, unspecified (initial encounter)

Extension type: Initial encounter
Chapter 19: Injury, poisoning and certain other consequences of external causes

Excludes1

7 items
  • specified adverse effects of radiation, such as:
  • burns (T20-T31)
  • leukemia (C91-C95)
  • radiation gastroenteritis and colitis (K52.0)
  • radiation pneumonitis (J70.0)
  • radiation related disorders of the skin and subcutaneous tissue (L55-L59)
  • sunburn (L55.-)

Billable Code

T66.9XXA is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

Referenced in Diagnoses

Conditions that use this ICD-10 code in their documentation

View documentation for nasal septal perforation
nasal septal perforation
View Templates

Nasal Septal Perforation

Additional Information from Parent Codes

The following information may apply to this code from its parent codes in the ICD-10 hierarchy. This information is important for proper coding and classification.

Excludes1

9 items

From S00-T88:

From T66:

  • specified adverse effects of radiation, such as:
  • burns (T20-T31)
  • leukemia (C91-C95)
  • radiation gastroenteritis and colitis (K52.0)
  • radiation pneumonitis (J70.0)
  • radiation related disorders of the skin and subcutaneous tissue (L55-L59)
  • sunburn (L55.-)

Use Additional Code

1 item

From S00-T88:

  • code to identify any retained foreign body, if applicable (Z18.-)

7th Character Notes

4 items

From T66:

  • The appropriate 7th character is to be added to code T66
  • A: initial encounter
  • D: subsequent encounter
  • S: sequela
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