ICD 10 CM code P36.5

June 6, 2024
14 min read
ICD-10-CM Code: P36.5 - Sepsis of Newborn Due to Anaerobes

This code describes sepsis in a newborn caused by anaerobic bacteria. Anaerobic bacteria are organisms that do not require oxygen for growth and may be harmed or die in its presence. These bacteria are commonly found in the gut, but can also colonize other areas of the body. Sepsis is a life-threatening complication of infection characterized by an overwhelming inflammatory response within the body. Sepsis in newborns is particularly dangerous, as their immune systems are still developing.

Clinical Concepts

Sepsis is a life-threatening complication of infection that involves an overwhelming inflammatory response throughout the body. Anaerobic bacteria are organisms that do not require oxygen to survive and can even be harmed or killed in its presence. Common examples include: Bacteroides fragilis Clostridium perfringens Prevotella spp. Fusobacterium spp. Peptostreptococcus spp. Sepsis of Newborn: This refers to a systemic infection in a newborn infant that progresses to an inflammatory state with multiple organ involvement.

Dependencies

ICD-10-CM:

P36: Infections specific to the perinatal period R65.2-: Severe sepsis Codes for associated acute organ dysfunction(s): This code should always be included to represent the affected organs when organ dysfunction is present.

ICD-9-CM:

771.81: Septicemia (sepsis) of newborn

DRG:

793: Full term neonate with major problems

CPT Codes:

0427U: Monocyte distribution width, whole blood (often used to assess inflammation in the bloodstream) 0441U: Infectious disease (bacterial, fungal, or viral infection), semiquantitative biomechanical assessment 36456: Partial exchange transfusion, blood, plasma or crystalloid (used in cases of severe sepsis to replace infected blood with healthy blood or plasma) 62270: Spinal puncture, lumbar, diagnostic 62328: Spinal puncture, lumbar, diagnostic; with fluoroscopic or CT guidance 78630: Cerebrospinal fluid flow, imaging; cisternography 78635: Cerebrospinal fluid flow, imaging; ventriculography 87086: Culture, bacterial; quantitative colony count, urine (used to diagnose sepsis and identify causative organisms) 87088: Culture, bacterial; with isolation and identification, urine (used to diagnose sepsis and identify causative organisms) 88014: Necropsy (autopsy), gross examination only; stillborn or newborn with brain (in cases of neonatal mortality to determine cause of death) 88016: Necropsy (autopsy), gross examination only; macerated stillborn 88029: Necropsy (autopsy), gross and microscopic; stillborn or newborn with brain 94619: Exercise test for bronchospasm 99202-99205: Office visit for new patient (various levels) 99211-99215: Office visit for established patient (various levels) 99221-99223: Initial inpatient care, per day (various levels) 99231-99233: Subsequent inpatient care, per day (various levels) 99234-99236: Hospital inpatient care, admission and discharge same day (various levels) 99238-99239: Hospital discharge day management 99242-99245: Office consultation (various levels) 99252-99255: Inpatient consultation (various levels) 99281-99285: Emergency department visit (various levels) 99304-99306: Initial nursing facility care, per day (various levels) 99307-99310: Subsequent nursing facility care, per day (various levels) 99315-99316: Nursing facility discharge management 99341-99345: Home or residence visit for new patient (various levels) 99347-99350: Home or residence visit for established patient (various levels) 99417: Prolonged outpatient service, each 15 minutes 99418: Prolonged inpatient service, each 15 minutes 99446-99449: Interprofessional telephone assessment and management (various durations) 99451: Interprofessional telephone assessment, written report 99464: Attendance at delivery and initial newborn stabilization 99465: Delivery/birthing room resuscitation 99468-99469: Inpatient neonatal critical care, per day 99471-99472: Inpatient pediatric critical care, per day (29 days to 24 months) 99475-99476: Inpatient pediatric critical care, per day (2-5 years) 99485-99486: Interfacility transport care supervision 99495-99496: Transitional care management (various levels)

HCPCS:

A0225: Ambulance service, neonatal transport, emergency A0424: Extra ambulance attendant A4305: Disposable drug delivery system, flow rate ≥ 50 ml/hour A4306: Disposable drug delivery system, flow rate < 50 ml/hour A4361: Ostomy faceplate, each A4362: Skin barrier; solid, 4 x 4 or equivalent G0316: Prolonged hospital inpatient service (each additional 15 minutes) G0317: Prolonged nursing facility service (each additional 15 minutes) G0318: Prolonged home service (each additional 15 minutes) G0320: Home health services using synchronous telemedicine (audio-video) G0321: Home health services using synchronous telemedicine (audio only) G0508: Telehealth consultation, critical care, initial G0509: Telehealth consultation, critical care, subsequent G2212: Prolonged office service (each additional 15 minutes) G9921: No or partial screening J0216: Alfentanil hydrochloride injection, 500 micrograms K0006: Heavy duty wheelchair S0142: Colistimethate sodium, inhalation solution, per mg S3620: Newborn metabolic screening panel S9988: Phase I clinical trial services S9990: Phase II clinical trial services S9991: Phase III clinical trial services S9992: Clinical trial transportation costs S9994: Clinical trial lodging costs S9996: Clinical trial meals T1014: Telehealth transmission, per minute

HSSCHSS:

HCC2: Septicemia, Sepsis, Systemic Inflammatory Response Syndrome/Shock (HCC_V28, HCC_V24, HCC_V22, ESRD_V24, ESRD_V21)


Coding Examples

Scenario 1: A newborn infant is admitted to the hospital with sepsis. A blood culture is positive for Bacteroides fragilis, a commonly found anaerobic bacteria in the gastrointestinal tract. The infant is treated with antibiotics and supportive care. Codes: P36.5, R65.21 (Severe Sepsis with Acute Respiratory Failure), A4306 (Disposable drug delivery system for IV antibiotic administration).

Scenario 2: A newborn is diagnosed with sepsis after a Cesarean delivery. Cultures grow Clostridium perfringens, a common anaerobic bacteria. The infant receives intensive care treatment and surgical intervention for a wound infection. Codes: P36.5, 99222 (Initial inpatient care, moderate), 99232 (Subsequent inpatient care, moderate), 36456 (Exchange transfusion)

Scenario 3: A newborn develops sepsis caused by a mix of bacteria, including a species of anaerobic bacteria, and suffers organ dysfunction. Codes: P36.5, R65.22 (Severe Sepsis with Acute Kidney Injury), P96.82 (Organ dysfunction in the perinatal period)


Legal Implications of Incorrect Coding

Using the wrong codes can have serious legal and financial consequences. These can include: Denial of reimbursement: Incorrect coding can result in insurance companies rejecting claims, meaning the healthcare provider doesn't get paid. Audits and investigations: Incorrect coding can trigger audits and investigations by government agencies like Medicare and Medicaid, which can lead to penalties and fines. Civil and criminal charges: In extreme cases, incorrect coding could lead to civil and criminal charges if fraud is suspected.

Important Considerations:

Keep Current with Code Changes: The coding systems are constantly updated to reflect changes in medicine. Always use the most up-to-date codes for accurate billing. Document Thoroughly: Clear documentation helps ensure the most accurate codes are used. Consult with a Coding Specialist: For complex cases or situations involving unusual diagnoses, seek the guidance of a coding specialist.

This information is for educational purposes only and does not constitute medical advice. Always consult with a healthcare professional for diagnosis and treatment of medical conditions.

In summary, it is crucial for medical coders to use the latest, accurate coding practices to ensure proper billing and compliance. This will minimize risks of reimbursement denial, audits, and potential legal penalties. Accuracy and diligence in coding practices are essential for the smooth operation of healthcare systems.

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