- D81.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM D81.9 became effective on October 1, 2022.
- This is the American ICD-10-CM version of D81.9 – other international versions of ICD-10 D81.9 may differ.
ICD-10-CM D81.9 is grouped within Diagnostic Related Group(s):
- 808 Major hematological and immunological diagnoses except sickle cell crisis and coagulation disorders with mcc
- 809 Major hematological and immunological diagnoses except sickle cell crisis and coagulation disorders with cc
- 810 Major hematological and immunological diagnoses except sickle cell crisis and coagulation disorders without cc/mcc
Applicable To
- Severe combined immunodeficiency disorder [SCID] NOS
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to D81.9:
- lymphopenia > with D80.1
- lymphopenic > Agammaglobulinemia (acquired (secondary)) (nonfamilial) D80.1
- combined > immunity D84.9
- combined > Immunodeficiency D84.9
- severe (SCID) > combined D81.9
- severe combined (SCID) > Immunodeficiency D84.9
- combined immunity deficiency > Syndrome
- immunity deficiency, combined > Syndrome
- combined > immunodeficiency