ICD-10-CM Official Guidelines for Coding and Reporting
FY 2023
8. Chapter 8: Diseases of the Ear and Mastoid Process (H60-H95) ........................................... 48
Reserved for future guideline expansion ...................................................................................... 48
9. Chapter 9: Diseases of the Circulatory System (I00-I99) ....................................................... 48
a. Hypertension ......................................................................................................................... 48
b. Atherosclerotic Coronary Artery Disease and Angina ......................................................... 50
c. Intraoperative and Postprocedural Cerebrovascular Accident .............................................. 51
d. Sequelae of Cerebrovascular Disease ................................................................................... 51
e. Acute myocardial infarction (AMI) ...................................................................................... 52
10. Chapter 10: Diseases of the Respiratory System (J00-J99), U07.0 ........................................ 54
a. Chronic Obstructive Pulmonary Disease [COPD] and Asthma ........................................... 54
b. Acute Respiratory Failure ..................................................................................................... 54
c. Influenza due to certain identified influenza viruses ............................................................ 55
d. Ventilator associated Pneumonia .......................................................................................... 55
e. Vaping-related disorders ....................................................................................................... 56
11. Chapter 11: Diseases of the Digestive System (K00-K95) ..................................................... 56
Reserved for future guideline expansion ...................................................................................... 56
12. Chapter 12: Diseases of the Skin and Subcutaneous Tissue (L00-L99) ................................. 56
a. Pressure ulcer stage codes ..................................................................................................... 56
b. Non-Pressure Chronic Ulcers ............................................................................................... 58
13. Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) ... 58
a. Site and laterality .................................................................................................................. 58
b. Acute traumatic versus chronic or recurrent musculoskeletal conditions ............................ 59
c. Coding of Pathologic Fractures ............................................................................................ 59
d. Osteoporosis .......................................................................................................................... 59
e. Multisystem Inflammatory Syndrome .................................................................................. 60
14. Chapter 14: Diseases of Genitourinary System (N00-N99) ................................................... 60
a. Chronic kidney disease ......................................................................................................... 60
15. Chapter 15: Pregnancy, Childbirth, and the Puerperium (O00-O9A) ................................... 61
a. General Rules for Obstetric Cases ........................................................................................ 61
b. Selection of OB Principal or First-listed Diagnosis .............................................................. 62
c. Pre-existing conditions versus conditions due to the pregnancy .......................................... 63
d. Pre-existing hypertension in pregnancy ................................................................................ 63
e. Fetal Conditions Affecting the Management of the Mother ................................................. 64
f. HIV Infection in Pregnancy, Childbirth and the Puerperium ............................................... 64
g. Diabetes mellitus in pregnancy ............................................................................................. 64
h. Long term use of insulin and oral hypoglycemics ................................................................ 64
i. Gestational (pregnancy induced) diabetes ............................................................................ 65
j. Sepsis and septic shock complicating abortion, pregnancy, childbirth and the puerperium 65
k. Puerperal sepsis ..................................................................................................................... 65
l. Alcohol, tobacco and drug use during pregnancy, childbirth and the puerperium ............... 66
m. Poisoning, toxic effects, adverse effects and underdosing in a pregnant patient .................. 66
n. Normal Delivery, Code O80 ................................................................................................. 66
o. The Peripartum and Postpartum Periods............................................................................... 67
p. Code O94, Sequelae of complication of pregnancy, childbirth, and the puerperium ........... 68
q. Termination of Pregnancy and Spontaneous abortions ........................................................ 68
r. Abuse in a pregnant patient................................................................................................... 69
s. COVID-19 infection in pregnancy, childbirth, and the puerperium ..................................... 69
16. Chapter 16: Certain Conditions Originating in the Perinatal Period (P00-P96) ..................... 69
a. General Perinatal Rules......................................................................................................... 69
b. Observation and Evaluation of Newborns for Suspected Conditions not Found ................. 71