T69.1XXD - Chilblains, subsequent encounter

Version 2023
ICD-10:T69.1XXD
Short Description:Chilblains, subsequent encounter
Long Description:Chilblains, subsequent encounter
Status: Valid for Submission
Version:ICD-10-CM 2023
Code Classification:
  • Injury, poisoning and certain other consequences of external causes (S00–T98)
    • Other and unspecified effects of external causes (T66-T78)
      • Other effects of reduced temperature (T69)

T69.1XXD is a billable ICD-10 code used to specify a medical diagnosis of chilblains, subsequent encounter. The code is valid during the fiscal year 2023 from October 01, 2022 through September 30, 2023 for the submission of HIPAA-covered transactions. The code is exempt from present on admission (POA) reporting for inpatient admissions to general acute care hospitals.

T69.1XXD is a subsequent encounter code, includes a 7th character and should be used after the patient has completed active treatment for a condition like chilblains. According to ICD-10-CM Guidelines a "subsequent encounter" occurs when the patient is receiving routine care for the condition during the healing or recovery phase of treatment. Subsequent diagnosis codes are appropriate during the recovery phase, no matter how many times the patient has seen the provider for this condition. If the provider needs to adjust the patient's care plan due to a setback or other complication, the encounter becomes active again.

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Clinical Information

Coding Guidelines

The appropriate 7th character is to be added to each code from block Other effects of reduced temperature (T69). Use the following options for the aplicable episode of care:

Present on Admission (POA)

T69.1XXD is exempt from POA reporting - The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement. Review other POA exempt codes here.

CMS POA Indicator Options and Definitions

POA Indicator CodePOA Reason for CodeCMS will pay the CC/MCC DRG?
YDiagnosis was present at time of inpatient admission.YES
NDiagnosis was not present at time of inpatient admission.NO
UDocumentation insufficient to determine if the condition was present at the time of inpatient admission.NO
WClinically undetermined - unable to clinically determine whether the condition was present at the time of inpatient admission.YES
1Unreported/Not used - Exempt from POA reporting. NO

Convert to ICD-9 Code

Source ICD-10 CodeTarget ICD-9 Code
T69.1XXDV58.89 - Other specfied aftercare
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

Patient Education


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If you have symptoms of frostbite, seek medical care. But if immediate medical care isn't available, here are steps to take:

Centers for Disease Control and Prevention


[Learn More in MedlinePlus]

Code History