All ICD10 Codes

T69

Non-Billable
ChapterS00–T88
Rankcategory
Official Description

Other effects of reduced temperature

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

CH19 Parent Instructions

Excludes2(Not included here)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)

T66-T78 Parent Instructions

Code Also
  • , if applicable, place of occurrence, such as:
  • highway rest stop (Y92.523)
  • school (private) (public) (state) as the place of occurrence of the external cause (Y92.21-)
  • service areas as the place of occurrence of the external cause (Y92.52-)
  • single-family non-institutional (private) house as the place of occurrence of the external cause (Y92.01-)
  • transport vehicle as the place of occurrence of the external cause (Y92.81-)

Instructional Notes

Excludes2(Not included here)
Use Additional Code
  • code to identify source of exposure:
  • Exposure to excessive cold of man-made origin (W93)
  • Exposure to excessive cold of natural origin (X31)

Clinical Hierarchy

CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
T66-T78Other and unspecified effects of external causes (T66-T78)
T69Other effects of reduced temperature
T69.0Immersion hand and foot
T69.1Chilblains
T69.8Other specified effects of reduced temperature
T69.9Effect of reduced temperature, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T69:

blockT66-T78
Other and unspecified effects of external causes (T66-T78)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to T69. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Chapping skin1 unique routes
Direct index entry→T69
Chilblain (s) (lupus)1 unique routes
Direct index entry→T69
Cold7 unique routes
effects of→T69(2 variants)
specified effect NEC→T69
excessive, effects of→T69(2 variants)
specified effect NEC→T69
exhaustion from→T69
exposure to→T69(2 variants)
specified effect NEC→T69
Congelation1 unique routes
Direct index entry→T69
Dermatitis (eczematous)1 unique routes
congelationis→T69
Effect, adverse5 unique routes
cold (temperature) (weather)→T69(3 variants)
chilblains→T69
specified effect NEC→T69
reduced temperature→T69(2 variants)
specified effect NEC→T69
Erythema, erythematous (infectional) (inflammation)1 unique routes
pernio→T69
Excess, excessive, excessively2 unique routes
cold, effects of→T69(2 variants)
specified effect NEC→T69
Exhaustion, exhaustive (physical NEC)1 unique routes
due to
cold→T69
Exposure (to)2 unique routes
cold, effects of→T69(2 variants)
specified effect NEC→T69
Freezing1 unique routes
Direct index entry→T69
Frozen1 unique routes
Direct index entry→T69
Immersion1 unique routes
foot→T69

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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