MS-DRG · FY 2026 v43.0

MS-DRG 850 – Acute Leukemia with Other Procedures

A Surgical DRG in MDC 17 (Myeloproliferative Diseases & Disorders, Poorly Differentiated Neoplasms). Inpatient cases group to DRG 850 when one of the 189 ICD-10-PCS operating-room procedures listed below is reported with a qualifying principal diagnosis. Its FY 2026 relative weight is 8.6595 with a geometric mean length of stay of 15.3 days.

Surgical DRG – assigned by operating-room procedure✓ Official CMS v43.0 dataset
8.6595
Relative Weight
15.3
Geometric Mean LOS (days)
23.0
Arithmetic Mean LOS (days)
33
Diagnosis Codes
189
Procedure Codes
How a case is assigned to DRG 850

The grouper first assigns the case to MDC 17 from the principal diagnosis, then matches a qualifying operating-room procedure from the ICD-10-PCS list below (this is a Surgical DRG).

ICD-10-PCS

Procedure Codes 189 codes · 63 categories

189 of 189 shown
D020 Radiation Therapy, Central and Peripheral Nervous System, Stereotactic Radiosurgery3 codes
  • D020DZZ Stereotactic Other Photon Radiosurgery of Brain
  • D020HZZ Stereotactic Particulate Radiosurgery of Brain
  • D020JZZ Stereotactic Gamma Beam Radiosurgery of Brain
D021 Radiation Therapy, Central and Peripheral Nervous System, Stereotactic Radiosurgery3 codes
  • D021DZZ Stereotactic Other Photon Radiosurgery of Brain Stem
  • D021HZZ Stereotactic Particulate Radiosurgery of Brain Stem
  • D021JZZ Stereotactic Gamma Beam Radiosurgery of Brain Stem
D026 Radiation Therapy, Central and Peripheral Nervous System, Stereotactic Radiosurgery3 codes
  • D026DZZ Stereotactic Other Photon Radiosurgery of Spinal Cord
  • D026HZZ Stereotactic Particulate Radiosurgery of Spinal Cord
  • D026JZZ Stereotactic Gamma Beam Radiosurgery of Spinal Cord
D027 Radiation Therapy, Central and Peripheral Nervous System, Stereotactic Radiosurgery3 codes
  • D027DZZ Stereotactic Other Photon Radiosurgery of Peripheral Nerve
  • D027HZZ Stereotactic Particulate Radiosurgery of Peripheral Nerve
  • D027JZZ Stereotactic Gamma Beam Radiosurgery of Peripheral Nerve
D720 Radiation Therapy, Lymphatic and Hematologic System, Stereotactic Radiosurgery3 codes
  • D720DZZ Stereotactic Other Photon Radiosurgery of Bone Marrow
  • D720HZZ Stereotactic Particulate Radiosurgery of Bone Marrow
  • D720JZZ Stereotactic Gamma Beam Radiosurgery of Bone Marrow
D721 Radiation Therapy, Lymphatic and Hematologic System, Stereotactic Radiosurgery3 codes
  • D721DZZ Stereotactic Other Photon Radiosurgery of Thymus
  • D721HZZ Stereotactic Particulate Radiosurgery of Thymus
  • D721JZZ Stereotactic Gamma Beam Radiosurgery of Thymus
D722 Radiation Therapy, Lymphatic and Hematologic System, Stereotactic Radiosurgery3 codes
  • D722DZZ Stereotactic Other Photon Radiosurgery of Spleen
  • D722HZZ Stereotactic Particulate Radiosurgery of Spleen
  • D722JZZ Stereotactic Gamma Beam Radiosurgery of Spleen
D723 Radiation Therapy, Lymphatic and Hematologic System, Stereotactic Radiosurgery3 codes
  • D723DZZ Stereotactic Other Photon Radiosurgery of Neck Lymphatics
  • D723HZZ Stereotactic Particulate Radiosurgery of Neck Lymphatics
  • D723JZZ Stereotactic Gamma Beam Radiosurgery of Neck Lymphatics
D724 Radiation Therapy, Lymphatic and Hematologic System, Stereotactic Radiosurgery3 codes
  • D724DZZ Stereotactic Other Photon Radiosurgery of Axillary Lymphatics
  • D724HZZ Stereotactic Particulate Radiosurgery of Axillary Lymphatics
  • D724JZZ Stereotactic Gamma Beam Radiosurgery of Axillary Lymphatics
D725 Radiation Therapy, Lymphatic and Hematologic System, Stereotactic Radiosurgery3 codes
  • D725DZZ Stereotactic Other Photon Radiosurgery of Thorax Lymphatics
  • D725HZZ Stereotactic Particulate Radiosurgery of Thorax Lymphatics
  • D725JZZ Stereotactic Gamma Beam Radiosurgery of Thorax Lymphatics
D726 Radiation Therapy, Lymphatic and Hematologic System, Stereotactic Radiosurgery3 codes
  • D726DZZ Stereotactic Other Photon Radiosurgery of Abdomen Lymphatics
  • D726HZZ Stereotactic Particulate Radiosurgery of Abdomen Lymphatics
  • D726JZZ Stereotactic Gamma Beam Radiosurgery of Abdomen Lymphatics
D727 Radiation Therapy, Lymphatic and Hematologic System, Stereotactic Radiosurgery3 codes
  • D727DZZ Stereotactic Other Photon Radiosurgery of Pelvis Lymphatics
  • D727HZZ Stereotactic Particulate Radiosurgery of Pelvis Lymphatics
  • D727JZZ Stereotactic Gamma Beam Radiosurgery of Pelvis Lymphatics
D728 Radiation Therapy, Lymphatic and Hematologic System, Stereotactic Radiosurgery3 codes
  • D728DZZ Stereotactic Other Photon Radiosurgery of Inguinal Lymphatics
  • D728HZZ Stereotactic Particulate Radiosurgery of Inguinal Lymphatics
  • D728JZZ Stereotactic Gamma Beam Radiosurgery of Inguinal Lymphatics
D820 Radiation Therapy, Eye, Stereotactic Radiosurgery3 codes
  • D820DZZ Stereotactic Other Photon Radiosurgery of Eye
  • D820HZZ Stereotactic Particulate Radiosurgery of Eye
  • D820JZZ Stereotactic Gamma Beam Radiosurgery of Eye
D920 Radiation Therapy, Ear, Nose, Mouth and Throat, Stereotactic Radiosurgery3 codes
  • D920DZZ Stereotactic Other Photon Radiosurgery of Ear
  • D920HZZ Stereotactic Particulate Radiosurgery of Ear
  • D920JZZ Stereotactic Gamma Beam Radiosurgery of Ear
D921 Radiation Therapy, Ear, Nose, Mouth and Throat, Stereotactic Radiosurgery3 codes
  • D921DZZ Stereotactic Other Photon Radiosurgery of Nose
  • D921HZZ Stereotactic Particulate Radiosurgery of Nose
  • D921JZZ Stereotactic Gamma Beam Radiosurgery of Nose
D924 Radiation Therapy, Ear, Nose, Mouth and Throat, Stereotactic Radiosurgery3 codes
  • D924DZZ Stereotactic Other Photon Radiosurgery of Mouth
  • D924HZZ Stereotactic Particulate Radiosurgery of Mouth
  • D924JZZ Stereotactic Gamma Beam Radiosurgery of Mouth
D925 Radiation Therapy, Ear, Nose, Mouth and Throat, Stereotactic Radiosurgery3 codes
  • D925DZZ Stereotactic Other Photon Radiosurgery of Tongue
  • D925HZZ Stereotactic Particulate Radiosurgery of Tongue
  • D925JZZ Stereotactic Gamma Beam Radiosurgery of Tongue
D926 Radiation Therapy, Ear, Nose, Mouth and Throat, Stereotactic Radiosurgery3 codes
  • D926DZZ Stereotactic Other Photon Radiosurgery of Salivary Glands
  • D926HZZ Stereotactic Particulate Radiosurgery of Salivary Glands
  • D926JZZ Stereotactic Gamma Beam Radiosurgery of Salivary Glands
D927 Radiation Therapy, Ear, Nose, Mouth and Throat, Stereotactic Radiosurgery3 codes
  • D927DZZ Stereotactic Other Photon Radiosurgery of Sinuses
  • D927HZZ Stereotactic Particulate Radiosurgery of Sinuses
  • D927JZZ Stereotactic Gamma Beam Radiosurgery of Sinuses
D928 Radiation Therapy, Ear, Nose, Mouth and Throat, Stereotactic Radiosurgery3 codes
  • D928DZZ Stereotactic Other Photon Radiosurgery of Hard Palate
  • D928HZZ Stereotactic Particulate Radiosurgery of Hard Palate
  • D928JZZ Stereotactic Gamma Beam Radiosurgery of Hard Palate
D929 Radiation Therapy, Ear, Nose, Mouth and Throat, Stereotactic Radiosurgery3 codes
  • D929DZZ Stereotactic Other Photon Radiosurgery of Soft Palate
  • D929HZZ Stereotactic Particulate Radiosurgery of Soft Palate
  • D929JZZ Stereotactic Gamma Beam Radiosurgery of Soft Palate
D92B Radiation Therapy, Ear, Nose, Mouth and Throat, Stereotactic Radiosurgery3 codes
  • D92BDZZ Stereotactic Other Photon Radiosurgery of Larynx
  • D92BHZZ Stereotactic Particulate Radiosurgery of Larynx
  • D92BJZZ Stereotactic Gamma Beam Radiosurgery of Larynx
D92C Radiation Therapy, Ear, Nose, Mouth and Throat, Stereotactic Radiosurgery3 codes
  • D92CDZZ Stereotactic Other Photon Radiosurgery of Pharynx
  • D92CHZZ Stereotactic Particulate Radiosurgery of Pharynx
  • D92CJZZ Stereotactic Gamma Beam Radiosurgery of Pharynx
D92D Radiation Therapy, Ear, Nose, Mouth and Throat, Stereotactic Radiosurgery3 codes
  • D92DDZZ Stereotactic Other Photon Radiosurgery of Nasopharynx
  • D92DHZZ Stereotactic Particulate Radiosurgery of Nasopharynx
  • D92DJZZ Stereotactic Gamma Beam Radiosurgery of Nasopharynx
DB20 Radiation Therapy, Respiratory System, Stereotactic Radiosurgery3 codes
  • DB20DZZ Stereotactic Other Photon Radiosurgery of Trachea
  • DB20HZZ Stereotactic Particulate Radiosurgery of Trachea
  • DB20JZZ Stereotactic Gamma Beam Radiosurgery of Trachea
DB21 Radiation Therapy, Respiratory System, Stereotactic Radiosurgery3 codes
  • DB21DZZ Stereotactic Other Photon Radiosurgery of Bronchus
  • DB21HZZ Stereotactic Particulate Radiosurgery of Bronchus
  • DB21JZZ Stereotactic Gamma Beam Radiosurgery of Bronchus
DB22 Radiation Therapy, Respiratory System, Stereotactic Radiosurgery3 codes
  • DB22DZZ Stereotactic Other Photon Radiosurgery of Lung
  • DB22HZZ Stereotactic Particulate Radiosurgery of Lung
  • DB22JZZ Stereotactic Gamma Beam Radiosurgery of Lung
DB25 Radiation Therapy, Respiratory System, Stereotactic Radiosurgery3 codes
  • DB25DZZ Stereotactic Other Photon Radiosurgery of Pleura
  • DB25HZZ Stereotactic Particulate Radiosurgery of Pleura
  • DB25JZZ Stereotactic Gamma Beam Radiosurgery of Pleura
DB26 Radiation Therapy, Respiratory System, Stereotactic Radiosurgery3 codes
  • DB26DZZ Stereotactic Other Photon Radiosurgery of Mediastinum
  • DB26HZZ Stereotactic Particulate Radiosurgery of Mediastinum
  • DB26JZZ Stereotactic Gamma Beam Radiosurgery of Mediastinum
DB27 Radiation Therapy, Respiratory System, Stereotactic Radiosurgery3 codes
  • DB27DZZ Stereotactic Other Photon Radiosurgery of Chest Wall
  • DB27HZZ Stereotactic Particulate Radiosurgery of Chest Wall
  • DB27JZZ Stereotactic Gamma Beam Radiosurgery of Chest Wall
DB28 Radiation Therapy, Respiratory System, Stereotactic Radiosurgery3 codes
  • DB28DZZ Stereotactic Other Photon Radiosurgery of Diaphragm
  • DB28HZZ Stereotactic Particulate Radiosurgery of Diaphragm
  • DB28JZZ Stereotactic Gamma Beam Radiosurgery of Diaphragm
DD20 Radiation Therapy, Gastrointestinal System, Stereotactic Radiosurgery3 codes
  • DD20DZZ Stereotactic Other Photon Radiosurgery of Esophagus
  • DD20HZZ Stereotactic Particulate Radiosurgery of Esophagus
  • DD20JZZ Stereotactic Gamma Beam Radiosurgery of Esophagus
DD21 Radiation Therapy, Gastrointestinal System, Stereotactic Radiosurgery3 codes
  • DD21DZZ Stereotactic Other Photon Radiosurgery of Stomach
  • DD21HZZ Stereotactic Particulate Radiosurgery of Stomach
  • DD21JZZ Stereotactic Gamma Beam Radiosurgery of Stomach
DD22 Radiation Therapy, Gastrointestinal System, Stereotactic Radiosurgery3 codes
  • DD22DZZ Stereotactic Other Photon Radiosurgery of Duodenum
  • DD22HZZ Stereotactic Particulate Radiosurgery of Duodenum
  • DD22JZZ Stereotactic Gamma Beam Radiosurgery of Duodenum
DD23 Radiation Therapy, Gastrointestinal System, Stereotactic Radiosurgery3 codes
  • DD23DZZ Stereotactic Other Photon Radiosurgery of Jejunum
  • DD23HZZ Stereotactic Particulate Radiosurgery of Jejunum
  • DD23JZZ Stereotactic Gamma Beam Radiosurgery of Jejunum
DD24 Radiation Therapy, Gastrointestinal System, Stereotactic Radiosurgery3 codes
  • DD24DZZ Stereotactic Other Photon Radiosurgery of Ileum
  • DD24HZZ Stereotactic Particulate Radiosurgery of Ileum
  • DD24JZZ Stereotactic Gamma Beam Radiosurgery of Ileum
DD25 Radiation Therapy, Gastrointestinal System, Stereotactic Radiosurgery3 codes
  • DD25DZZ Stereotactic Other Photon Radiosurgery of Colon
  • DD25HZZ Stereotactic Particulate Radiosurgery of Colon
  • DD25JZZ Stereotactic Gamma Beam Radiosurgery of Colon
DD27 Radiation Therapy, Gastrointestinal System, Stereotactic Radiosurgery3 codes
  • DD27DZZ Stereotactic Other Photon Radiosurgery of Rectum
  • DD27HZZ Stereotactic Particulate Radiosurgery of Rectum
  • DD27JZZ Stereotactic Gamma Beam Radiosurgery of Rectum
DF20 Radiation Therapy, Hepatobiliary System and Pancreas, Stereotactic Radiosurgery3 codes
  • DF20DZZ Stereotactic Other Photon Radiosurgery of Liver
  • DF20HZZ Stereotactic Particulate Radiosurgery of Liver
  • DF20JZZ Stereotactic Gamma Beam Radiosurgery of Liver
DF21 Radiation Therapy, Hepatobiliary System and Pancreas, Stereotactic Radiosurgery3 codes
  • DF21DZZ Stereotactic Other Photon Radiosurgery of Gallbladder
  • DF21HZZ Stereotactic Particulate Radiosurgery of Gallbladder
  • DF21JZZ Stereotactic Gamma Beam Radiosurgery of Gallbladder
DF22 Radiation Therapy, Hepatobiliary System and Pancreas, Stereotactic Radiosurgery3 codes
  • DF22DZZ Stereotactic Other Photon Radiosurgery of Bile Ducts
  • DF22HZZ Stereotactic Particulate Radiosurgery of Bile Ducts
  • DF22JZZ Stereotactic Gamma Beam Radiosurgery of Bile Ducts
DF23 Radiation Therapy, Hepatobiliary System and Pancreas, Stereotactic Radiosurgery3 codes
  • DF23DZZ Stereotactic Other Photon Radiosurgery of Pancreas
  • DF23HZZ Stereotactic Particulate Radiosurgery of Pancreas
  • DF23JZZ Stereotactic Gamma Beam Radiosurgery of Pancreas
DG20 Radiation Therapy, Endocrine System, Stereotactic Radiosurgery3 codes
  • DG20DZZ Stereotactic Other Photon Radiosurgery of Pituitary Gland
  • DG20HZZ Stereotactic Particulate Radiosurgery of Pituitary Gland
  • DG20JZZ Stereotactic Gamma Beam Radiosurgery of Pituitary Gland
DG21 Radiation Therapy, Endocrine System, Stereotactic Radiosurgery3 codes
  • DG21DZZ Stereotactic Other Photon Radiosurgery of Pineal Body
  • DG21HZZ Stereotactic Particulate Radiosurgery of Pineal Body
  • DG21JZZ Stereotactic Gamma Beam Radiosurgery of Pineal Body
DG22 Radiation Therapy, Endocrine System, Stereotactic Radiosurgery3 codes
  • DG22DZZ Stereotactic Other Photon Radiosurgery of Adrenal Glands
  • DG22HZZ Stereotactic Particulate Radiosurgery of Adrenal Glands
  • DG22JZZ Stereotactic Gamma Beam Radiosurgery of Adrenal Glands
DG24 Radiation Therapy, Endocrine System, Stereotactic Radiosurgery3 codes
  • DG24DZZ Stereotactic Other Photon Radiosurgery of Parathyroid Glands
  • DG24HZZ Stereotactic Particulate Radiosurgery of Parathyroid Glands
  • DG24JZZ Stereotactic Gamma Beam Radiosurgery of Parathyroid Glands
DG25 Radiation Therapy, Endocrine System, Stereotactic Radiosurgery3 codes
  • DG25DZZ Stereotactic Other Photon Radiosurgery of Thyroid
  • DG25HZZ Stereotactic Particulate Radiosurgery of Thyroid
  • DG25JZZ Stereotactic Gamma Beam Radiosurgery of Thyroid
DM20 Radiation Therapy, Breast, Stereotactic Radiosurgery3 codes
  • DM20DZZ Stereotactic Other Photon Radiosurgery of Left Breast
  • DM20HZZ Stereotactic Particulate Radiosurgery of Left Breast
  • DM20JZZ Stereotactic Gamma Beam Radiosurgery of Left Breast
DM21 Radiation Therapy, Breast, Stereotactic Radiosurgery3 codes
  • DM21DZZ Stereotactic Other Photon Radiosurgery of Right Breast
  • DM21HZZ Stereotactic Particulate Radiosurgery of Right Breast
  • DM21JZZ Stereotactic Gamma Beam Radiosurgery of Right Breast
DT20 Radiation Therapy, Urinary System, Stereotactic Radiosurgery3 codes
  • DT20DZZ Stereotactic Other Photon Radiosurgery of Kidney
  • DT20HZZ Stereotactic Particulate Radiosurgery of Kidney
  • DT20JZZ Stereotactic Gamma Beam Radiosurgery of Kidney
DT21 Radiation Therapy, Urinary System, Stereotactic Radiosurgery3 codes
  • DT21DZZ Stereotactic Other Photon Radiosurgery of Ureter
  • DT21HZZ Stereotactic Particulate Radiosurgery of Ureter
  • DT21JZZ Stereotactic Gamma Beam Radiosurgery of Ureter
DT22 Radiation Therapy, Urinary System, Stereotactic Radiosurgery3 codes
  • DT22DZZ Stereotactic Other Photon Radiosurgery of Bladder
  • DT22HZZ Stereotactic Particulate Radiosurgery of Bladder
  • DT22JZZ Stereotactic Gamma Beam Radiosurgery of Bladder
DT23 Radiation Therapy, Urinary System, Stereotactic Radiosurgery3 codes
  • DT23DZZ Stereotactic Other Photon Radiosurgery of Urethra
  • DT23HZZ Stereotactic Particulate Radiosurgery of Urethra
  • DT23JZZ Stereotactic Gamma Beam Radiosurgery of Urethra
DU20 Radiation Therapy, Female Reproductive System, Stereotactic Radiosurgery3 codes
  • DU20DZZ Stereotactic Other Photon Radiosurgery of Ovary
  • DU20HZZ Stereotactic Particulate Radiosurgery of Ovary
  • DU20JZZ Stereotactic Gamma Beam Radiosurgery of Ovary
DU21 Radiation Therapy, Female Reproductive System, Stereotactic Radiosurgery3 codes
  • DU21DZZ Stereotactic Other Photon Radiosurgery of Cervix
  • DU21HZZ Stereotactic Particulate Radiosurgery of Cervix
  • DU21JZZ Stereotactic Gamma Beam Radiosurgery of Cervix
DU22 Radiation Therapy, Female Reproductive System, Stereotactic Radiosurgery3 codes
  • DU22DZZ Stereotactic Other Photon Radiosurgery of Uterus
  • DU22HZZ Stereotactic Particulate Radiosurgery of Uterus
  • DU22JZZ Stereotactic Gamma Beam Radiosurgery of Uterus
DV20 Radiation Therapy, Male Reproductive System, Stereotactic Radiosurgery3 codes
  • DV20DZZ Stereotactic Other Photon Radiosurgery of Prostate
  • DV20HZZ Stereotactic Particulate Radiosurgery of Prostate
  • DV20JZZ Stereotactic Gamma Beam Radiosurgery of Prostate
DV21 Radiation Therapy, Male Reproductive System, Stereotactic Radiosurgery3 codes
  • DV21DZZ Stereotactic Other Photon Radiosurgery of Testis
  • DV21HZZ Stereotactic Particulate Radiosurgery of Testis
  • DV21JZZ Stereotactic Gamma Beam Radiosurgery of Testis
DW21 Radiation Therapy, Anatomical Regions, Stereotactic Radiosurgery3 codes
  • DW21DZZ Stereotactic Other Photon Radiosurgery of Head and Neck
  • DW21HZZ Stereotactic Particulate Radiosurgery of Head and Neck
  • DW21JZZ Stereotactic Gamma Beam Radiosurgery of Head and Neck
DW22 Radiation Therapy, Anatomical Regions, Stereotactic Radiosurgery3 codes
  • DW22DZZ Stereotactic Other Photon Radiosurgery of Chest
  • DW22HZZ Stereotactic Particulate Radiosurgery of Chest
  • DW22JZZ Stereotactic Gamma Beam Radiosurgery of Chest
DW23 Radiation Therapy, Anatomical Regions, Stereotactic Radiosurgery3 codes
  • DW23DZZ Stereotactic Other Photon Radiosurgery of Abdomen
  • DW23HZZ Stereotactic Particulate Radiosurgery of Abdomen
  • DW23JZZ Stereotactic Gamma Beam Radiosurgery of Abdomen
DW26 Radiation Therapy, Anatomical Regions, Stereotactic Radiosurgery3 codes
  • DW26DZZ Stereotactic Other Photon Radiosurgery of Pelvic Region
  • DW26HZZ Stereotactic Particulate Radiosurgery of Pelvic Region
  • DW26JZZ Stereotactic Gamma Beam Radiosurgery of Pelvic Region
ICD-10-CM

Qualifying Diagnosis Codes 33 codes · 5 categories

33 of 33 shown
C91 Lymphoid leukemia3 codes
  • C91.00 Acute lymphoblastic leukemia not having achieved remission
  • C91.01 Acute lymphoblastic leukemia, in remission
  • C91.02 Acute lymphoblastic leukemia, in relapse
C92 Myeloid leukemia15 codes
  • C92.00 Acute myeloblastic leukemia, not having achieved remission
  • C92.01 Acute myeloblastic leukemia, in remission
  • C92.02 Acute myeloblastic leukemia, in relapse
  • C92.40 Acute promyelocytic leukemia, not having achieved remission
  • C92.41 Acute promyelocytic leukemia, in remission
  • C92.42 Acute promyelocytic leukemia, in relapse
  • C92.50 Acute myelomonocytic leukemia, not having achieved remission
  • C92.51 Acute myelomonocytic leukemia, in remission
  • C92.52 Acute myelomonocytic leukemia, in relapse
  • C92.60 Acute myeloid leukemia with 11q23-abnormality not having achieved remission
  • C92.61 Acute myeloid leukemia with 11q23-abnormality in remission
  • C92.62 Acute myeloid leukemia with 11q23-abnormality in relapse
  • C92.A0 Acute myeloid leukemia with multilineage dysplasia, not having achieved remission
  • C92.A1 Acute myeloid leukemia with multilineage dysplasia, in remission
  • C92.A2 Acute myeloid leukemia with multilineage dysplasia, in relapse
C93 Monocytic leukemia3 codes
  • C93.00 Acute monoblastic/monocytic leukemia, not having achieved remission
  • C93.01 Acute monoblastic/monocytic leukemia, in remission
  • C93.02 Acute monoblastic/monocytic leukemia, in relapse
C94 Other leukemias of specified cell type9 codes
  • C94.00 Acute erythroid leukemia, not having achieved remission
  • C94.01 Acute erythroid leukemia, in remission
  • C94.02 Acute erythroid leukemia, in relapse
  • C94.20 Acute megakaryoblastic leukemia not having achieved remission
  • C94.21 Acute megakaryoblastic leukemia, in remission
  • C94.22 Acute megakaryoblastic leukemia, in relapse
  • C94.40 Acute panmyelosis with myelofibrosis not having achieved remission
  • C94.41 Acute panmyelosis with myelofibrosis, in remission
  • C94.42 Acute panmyelosis with myelofibrosis, in relapse
C95 Leukemia of unspecified cell type3 codes
  • C95.00 Acute leukemia of unspecified cell type not having achieved remission
  • C95.01 Acute leukemia of unspecified cell type, in remission
  • C95.02 Acute leukemia of unspecified cell type, in relapse

Frequently Asked Questions

What is MS-DRG 850?

MS-DRG 850 (Acute Leukemia with Other Procedures) is a surgical DRG in MDC 17 (Myeloproliferative Diseases & Disorders, Poorly Differentiated Neoplasms). Its FY 2026 relative weight is 8.6595 with a geometric mean length of stay of 15.3 days.

How many procedure codes group to DRG 850?

189 ICD-10-PCS operating-room procedure codes group to this DRG.

What is the relative weight of DRG 850?

The FY 2026 relative weight of this DRG is 8.6595, meaning reimbursement of roughly 8.66 times the average Medicare inpatient case. Multiply by a hospital's blended base rate for the approximate payment.

← PreviousDRG 849 – Radiotherapy
Source: CMS ICD-10 MS-DRG v43.0 Definitions Manual and the FY 2026 IPPS Final Rule (Table 5), effective October 1, 2025 through September 30, 2026. We publish the DRG assignments as CMS defines them and add the navigation, search, and code links.