size_categories:10K<n<100K format:parquet modality:text library:datasets library:pandas library:mlcroissant library:polars region:us
---
dataset_info:
  features:
  - name: classification_level
    dtype: string
  - name: location_in_tree
    dtype: string
  - name: type_of_four_and_five_digit
    dtype: string
  - name: chapter_number
    dtype: string
  - name: first_three_digit_code
    dtype: string
  - name: code_without_cross
    dtype: string
  - name: code_without_dash_etc
    dtype: string
  - name: code_plain
    dtype: string
  - name: combined_class_title
    dtype: string
  - name: three_digit_code_title
    dtype: string
  - name: four_digit_code_title
    dtype: string
  - name: five_digit_code_title
    dtype: string
  - name: usage_paragraph_295
    dtype: string
  - name: usage_paragraph_301
    dtype: string
  - name: mortality_list_1_reference
    dtype: string
  - name: mortality_list_2_reference
    dtype: string
  - name: mortality_list_3_reference
    dtype: string
  - name: mortality_list_4_reference
    dtype: string
  - name: morbidity_list_reference
    dtype: string
  - name: gender_relation
    dtype: string
  - name: gender_error_type
    dtype: string
  - name: lower_age_limit
    dtype: string
  - name: upper_age_limit
    dtype: string
  - name: age_relation_error_type
    dtype: string
  - name: rare_in_central_europe
    dtype: string
  - name: code_content_occupied
    dtype: string
  - name: ifsg_notification
    dtype: string
  - name: ifsg_lab
    dtype: string
  splits:
  - name: train
    num_bytes: 5583760
    num_examples: 16817
  download_size: 961908
  dataset_size: 5583760
configs:
- config_name: default
  data_files:
  - split: train
    path: data/train-*
---

```
icd10gm2025syst_kodes.txt - Codes of the ICD Systematics

Field 1: Classification level, 1 character

3 = Three-character
4 = Four-character
5 = Five-character
Field 2: Position of the key number in the classification tree, 1 character

T = Terminal key number (codable endpoint)
N = Non-terminal key number (not a codable endpoint)
Field 3: Type of four- and five-character codes

X = Explicitly listed (pre-combined)
S = By sub-classification (post-combined)
Field 4: Chapter number, max. 2 characters

Field 5: First three-character group code, 3 characters

Field 6: Key number without any cross, up to 7 characters

Field 7: Key number without hyphen, star, or exclamation mark, up to 6 characters

Field 8: Key number without dot, hyphen, star, or exclamation mark, up to 5 characters

Field 9: Class title, composed of parts of the titles of the three-character, four-character, and five-character codes, if available, up to 255 characters

Field 10: Title of the three-character code, up to 255 characters

Field 11: Title of the four-character code, if available, up to 255 characters

Field 12: Title of the five-character code, if available, up to 255 characters

Field 13: Use of the key number according to Paragraph 295

P = Allowed for primary coding
O = Allowed only as star key number
Z = Allowed only as exclamation key number
V = Not allowed for coding
Field 14: Use of the key number according to Paragraph 301

P = Allowed for primary coding
O = Allowed only as star key number
Z = Allowed only as exclamation key number
V = Not allowed for coding
Field 15: Reference to mortality list 1

Field 16: Reference to mortality list 2

Field 17: Reference to mortality list 3

Field 18: Reference to mortality list 4

Field 19: Reference to morbidity list

Field 20: Gender reference of the key number

9 = No gender reference
M = Male
W = Female
Field 21: Type of error related to gender reference

9 = Irrelevant
K = Optional error
Field 22: Lower age limit for a key number (A disease may occur from at least n completed days/years of life)

9999 = Irrelevant
t000 - t364 = From 0 days including fetal time to 364 days
e.g., t000 = From birth (1st day of life) including fetal time
t001 = From 1 completed day of life (from the 2nd day of life)
t002 = From 2 completed days of life (from the 3rd day of life)
etc. up to
t028 = From 28 completed days of life (from the 29th day, from the 2nd month)
etc. up to
t364 = From 364 completed days of life (from the 365th day of life)
j001 - j124 = From the 1st year to 124 years
e.g., j001 = From 1 completed year of life (from the 2nd year, from the 365th day of life)
j002 = From 2 completed years of life (from the 3rd year)
j003 = From 3 completed years of life (from the 4th year)
etc. up to
j124 = From 124 completed years of life (from the 125th year)
Field 23: Upper age limit for a key number (A disease may occur up to a maximum of m completed days/years of life)

9999 = Irrelevant
t000 - t364 = 0 days - up to 364 days
e.g., t000 = fetal, before birth
t001 = Up to 1 completed day of life (until the end of the 1st day of life)
t002 = Up to 2 completed days of life (until the end of the 2nd day of life)
etc. up to
t364 = Up to 364 completed days of life (until the end of the 364th day)
j001 - j124 = Up to 1 year – up to 124 years
e.g., j001 = Up to 1 completed year of life (until the end of the 1st year, until the end of the 365th day)
j002 = Up to 2 completed years of life (until the end of the 2nd year)
etc. up to
j124 = Up to 124 completed years of life (until the end of the 124th year)
Field 24: Type of error related to age reference

9 = Irrelevant
M = Must error
K = Optional error
Field 25: Disease very rare in Central Europe?

J = Yes (--> Can trigger optional error!)
N = No
Field 26: Key number populated with content?

J = Yes
N = No (--> Can trigger optional error!)
Field 27: IfSG report, indicates that diagnoses coded with this key number require special attention to the doctor’s reporting obligation under the Infection Protection Act (IfSG)

J = Yes
N = No
Field 28: IfSG laboratory, indicates that laboratory tests for these diagnoses may use the laboratory exclusion code of the EBM (32006)

J = Yes
N = No

```
