D46.9
BillableMyelodysplastic syndrome, unspecified
Myelodysplastic syndrome, unspecified
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Myelodysplasia NOS
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
Related Codes(8)
D46.0Refractory anemia without ring sideroblasts, so stated
D46.1Refractory anemia with ring sideroblasts
D46.2Refractory anemia with excess of blasts [RAEB]
D46.4Refractory anemia, unspecified
D46.ARefractory cytopenia with multilineage dysplasia
D46.BRefract cytopenia w multilin dysplasia and ring sideroblasts
D46.CMyelodysplastic syndrome w isolated del(5q) chromsoml abnlt
D46.ZOther myelodysplastic syndromes
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(117)
SNOMED CT
- CAH - Congenital adrenal hypoplasia93235007
- Congenital adrenal hypoplasia93235007
- Congenital hypoplasia of adrenal gland93235007
- Congenital small adrenal gland93235007
- MDS - Myelodysplastic syndrome109995007
- Myelodysplastic syndrome109995007
- Myelodysplastic syndrome (clinical)109995007
- Haematologic complication of procedure363135008
- Hematologic complication of procedure363135008
- Therapy-related myelodysplastic syndrome702476004
- Childhood myelodysplastic syndrome705061009
- Therapy related acute myeloid leukaemia and myelodysplastic syndrome721306009
- Therapy related acute myeloid leukemia and myelodysplastic syndrome721306009
- Therapy related acute myeloid leukaemia due to and following administration of antineoplastic agent762315004
- Therapy related acute myeloid leukemia due to and following administration of antineoplastic agent762315004
- Acute myeloid leukaemia and myelodysplastic syndrome related to alkylating agent766045006
- Acute myeloid leukemia and myelodysplastic syndrome related to alkylating agent766045006
- Acute myeloid leukaemia and myelodysplastic syndrome related to topoisomerase type 2 inhibitor766046007
- Acute myeloid leukaemia and myelodysplastic syndrome related to topoisomerase type II inhibitor766046007
- Acute myeloid leukemia and myelodysplastic syndrome related to topoisomerase type 2 inhibitor766046007
- Acute myeloid leukemia and myelodysplastic syndrome related to topoisomerase type II inhibitor766046007
- Acute myeloid leukaemia and myelodysplastic syndrome related to radiation766048008
- Acute myeloid leukemia and myelodysplastic syndrome related to radiation766048008
- MIRAGE (myelodysplasia, infection, restriction of growth, adrenal hypoplasia, genital anomalies, enteropathy) syndrome1234831009
- MIRAGE syndrome1234831009
- Myelodysplasia, infection, restriction of growth, adrenal hypoplasia, genital anomalies, enteropathy syndrome1234831009
- Myelodysplasia, infection, restriction of growth, adrenal hypoplasia, genital phenotypes, enteropathy syndrome1234831009
- Disorder of bone marrow caused by ionising radiation1339017006
- Disorder of bone marrow caused by ionizing radiation1339017006
- Short stature co-occurrent and due to endocrine disorder368331000119100
UMLS
- DysmyelopoiesisC3463824
- Dysmyelopoietic SyndromeC3463824
- Dysmyelopoietic SyndromesC3463824
- Dysmyelopoietic syndromeC3463824
- MDNC3463824
- MDSC3463824
- MDS - Myelodysplastic syndromeC3463824
- MYELODYSPLASTIC SYNDROMEC3463824
- MyelodysplasiaC3463824
- Myelodysplastic NeoplasmC3463824
- Myelodysplastic SyndromeC3463824
- Myelodysplastic Syndrome/NeoplasmC3463824
- Myelodysplastic SyndromesC3463824
- Myelodysplastic neoplasmC3463824
- Myelodysplastic neoplasm (morphologic abnormality)C3463824
- Myelodysplastic syndromeC3463824
- Myelodysplastic syndrome (MDS)C3463824
- Myelodysplastic syndrome (clinical)C3463824
- Myelodysplastic syndrome (disorder)C3463824
- Myelodysplastic syndrome NOSC3463824
- Myelodysplastic syndrome, unspecifiedC3463824
- Myelodysplastic syndromesC3463824
- Myeloid dysplasiaC3463824
- Oligoblastic LeukemiaC3463824
- Smoldering LeukemiaC3463824
- Syndrome, DysmyelopoieticC3463824
- Syndrome, MyelodysplasticC3463824
- Syndromes, DysmyelopoieticC3463824
- Syndromes, MyelodysplasticC3463824
- myelodysplastic syndromeC3463824
- myelodysplastic syndromesC3463824
- myeloid dysplasiaC3463824
- Myelodysplasia NOSC0026985
- defective spinal cord developmentC0026985
- myelodysplasiaC0026985
- myelodysplasiasC0026985
Clinical Terms
- CAH - Congenital adrenal hypoplasia
- MIRAGE (myelodysplasia, infection, restriction of growth, adrenal hypoplasia, genital anomalies, enteropathy) syndrome
- Dysmyelopoietic Syndrome
- Myelodysplastic syndrome (clinical)
- Hematologic complication of procedure
- MDS
- Myelodysplasia NOS
- Therapy related acute myeloid leukemia and myelodysplastic syndrome
- Dysmyelopoiesis
- MDS - Myelodysplastic syndrome
- Myelodysplastic Neoplasm
- Myelodysplastic syndrome (MDS)
- Oligoblastic Leukemia
- Haematologic complication of procedure
- Congenital small adrenal gland
- defective spinal cord development
- myeloid dysplasia
- Myelodysplasia, infection, restriction of growth, adrenal hypoplasia, genital phenotypes, enteropathy syndrome
- Myelodysplastic neoplasm (morphologic abnormality)
- Disorder of bone marrow caused by ionizing radiation
- Acute myeloid leukemia and myelodysplastic syndrome related to topoisomerase type II inhibitor
- Acute myeloid leukaemia and myelodysplastic syndrome related to topoisomerase type 2 inhibitor
- Syndrome, Myelodysplastic
- Myelodysplastic syndrome NOS
- Therapy related acute myeloid leukaemia due to and following administration of antineoplastic agent
- Myelodysplastic syndrome (disorder)
- Myelodysplasia
- Syndromes, Dysmyelopoietic
- Syndrome, Dysmyelopoietic
- Acute myeloid leukaemia and myelodysplastic syndrome related to alkylating agent
- Disorder of bone marrow caused by ionising radiation
- MDN
- Childhood myelodysplastic syndrome
- Congenital hypoplasia of adrenal gland
- Therapy-related myelodysplastic syndrome
- MIRAGE syndrome
- Acute myeloid leukaemia and myelodysplastic syndrome related to radiation
- Smoldering Leukemia
- Syndromes, Myelodysplastic
- Myelodysplastic Syndrome/Neoplasm
- Short stature co-occurrent and due to endocrine disorder
- Acute myeloid leukemia and myelodysplastic syndrome related to radiation
- Myelodysplasia, infection, restriction of growth, adrenal hypoplasia, genital anomalies, enteropathy syndrome
- Therapy related acute myeloid leukaemia and myelodysplastic syndrome
- Dysmyelopoietic Syndromes
- Acute myeloid leukaemia and myelodysplastic syndrome related to topoisomerase type II inhibitor
- myelodysplasias
- Therapy related acute myeloid leukemia due to and following administration of antineoplastic agent
- Acute myeloid leukemia and myelodysplastic syndrome related to alkylating agent
- Congenital adrenal hypoplasia
- Acute myeloid leukemia and myelodysplastic syndrome related to topoisomerase type 2 inhibitor
Frequently Asked Questions
What is the ICD-10 code for myelodysplastic syndrome, unspecified?
The ICD-10-CM code for myelodysplastic syndrome, unspecified is D46.9. The full clinical description is "Myelodysplastic syndrome, unspecified". D46.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code D46.9 mean?
ICD-10-CM code D46.9 represents “Myelodysplastic syndrome, unspecified”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.
Is D46.9 a billable code?
Yes, D46.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is D46.9 in?
D46.9 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with D46.9?
D46.9 has Excludes1 notes indicating codes that cannot be used together with it, including: neoplasms of unspecified behavior (D49.-).
Are additional codes required with D46.9?
Yes, when using D46.9, also report: adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).
What SNOMED CT codes does D46.9 map to?
D46.9 maps to 13 SNOMED CT concepts: 766045006, 766048008, 766046007, 93235007, 705061009, and 8 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for D46.9?
D46.9 is linked to 2 UMLS Concept Unique Identifiers: C3463824, C0026985. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does D46.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like myelodysplastic syndrome, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of D46.9?
D46.9 maps to the ICD-11 code: 2A3Z (Myelodysplastic syndromes, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.