P52.0 ICD-10-CM Code: Intraventricular (nontraumatic) hemorrhage, grade 1, of newborn
P52.0 maps to CMS-HCC V28 248. A source-labeled RAF reference is available. Confirm the documented diagnosis and applicable coding requirements. MEAT criteria · RAF Calculator · HCC coding software
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FY 2026 Apr update / Certain conditions originating in the perinatal period (P00-P96) / Hemorrhagic and hematological disorders of newborn (P50-P61)
P52.0
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceIntraventricular (nontraumatic) hemorrhage, grade 1, of newborn
A newborn has mild bleeding in the ventricles of the brain (fluid-filled spaces) that did not result from trauma, representing the least severe grade of this type of brain bleed.
Buddy Insight
Grade 1 intraventricular hemorrhage represents the mildest form of bleeding into the brain's ventricular system in newborns, typically confined to the germinal matrix region.
CMS-HCC V28
MappedHCC 248
Coefficient HCC 248: 0.239 (Community Non-Dual Aged (CNA))
CMS-HCC V24
HistoricalHistorical
Not used for CY2026 payment
ACA/HHS
MappedHCC 145
Code-level coefficient reference
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
Official- Subependymal hemorrhage (without intraventricular extension)
- Bleeding into germinal matrix
Excludes 2
Official- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Inherited from P00-P96
- endocrine, nutritional and metabolic diseases (E00-E88)Inherited from P00-P96
- injury, poisoning and certain other consequences of external causes (S00-T88)Inherited from P00-P96
- neoplasms (C00-D49)Inherited from P00-P96
- tetanus neonatorum (A33)Inherited from P00-P96
Related Codes
Includes
Official- conditions that have their origin in the fetal or perinatal period (before birth through the first 28 days after birth) even if morbidity occurs laterInherited from P00-P96, P52
- intracranial hemorrhage due to anoxia or hypoxiaInherited from P00-P96, P52
Excludes 1
Official- congenital stenosis and stricture of bile ducts (Q44.3)Inherited from P50-P61, P52
- Crigler-Najjar syndrome (E80.5)Inherited from P50-P61, P52
- Dubin-Johnson syndrome (E80.6)Inherited from P50-P61, P52
- Gilbert syndrome (E80.4)Inherited from P50-P61, P52
- hereditary hemolytic anemias (D55-D58)Inherited from P50-P61, P52
- intracranial hemorrhage due to birth injury (P10.-)Inherited from P50-P61, P52
- intracranial hemorrhage due to other injury (S06.-)Inherited from P50-P61, P52
Code First
OfficialNo Code First sequencing instructions are included in this display for P52.0. Check the code and parent instructions in the Code Book.
Use Additional
OfficialNo Use Additional Code instructions are included in this display for P52.0. Check the code and parent instructions in the Code Book.
Code Also
OfficialNo Code Also instructions are included in this display for P52.0. Check the code and parent instructions in the Code Book.
Buddy Documentation Tip
MEAT Support
Audit Caution
Common Mistakes
Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →
Is P52.0 an HCC code?
Yes. P52.0 (Intraventricular (nontraumatic) hemorrhage, grade 1, of newborn) maps to HCC 248, Intracranial Hemorrhage under the CMS-HCC V28 risk adjustment model, with a source-labeled community non-dual aged reference coefficient of 0.239. Source-labeled code-level coefficients are references, not member totals. Actual contribution depends on complete member context, hierarchy and cleanup rules, interactions, and model year. HCC Buddy's RAF Calculator supports CMS-HCC V28 PY2026 and shows no score unless every required source and calculation check passes. It is billable for payment year 2026.
Coder answer: P52.0 is billable and maps to V28 HCC 248, Intracranial Hemorrhage. Open it in the Code Book for the tabular path, RAF, and MEAT checklist.
- Code
- P52.0
- Description
- Intraventricular (nontraumatic) hemorrhage, grade 1, of newborn
- HCC (V28)
- HCC 248 — Intracranial Hemorrhage
- RAF reference coefficient
- 0.239
- Billable
- Yes
- Payment year
- 2026
HCC Category Mapping
These are source-labeled model coefficients, not member totals. A category may still be removed by hierarchy or model cleanup rules. Weights are not directly comparable across models: CMS-HCC V28 and V24 use Community, Non-Dual, Aged; ESRD uses the dialysis continuing-enrollee model; RxHCC is the Part D continuing-enrollee, non-low-income, aged weight (a larger scale than CMS-HCC). ACA/HHS has no single weight — it varies by metal level. Actual per-patient RAF contribution depends on member context, hierarchy and cleanup rules, interactions, and the model year used by the payer. V28 is the CMS-HCC model phased in over payment years 2024–2026; V24 remains available for historical review.
Work P52.0 in the Code Book — tabular path, V28 RAF reference, and MEAT checklist →
MEAT review for P52.0
For P52.0, confirm that the documentation supports the diagnosis and meets the applicable coding, encounter, program and payer requirements. MEAT (Monitor, Evaluate, Assess, or Treat) is a review mnemonic, not a universal CMS coding rule.
- MMonitor: signs, symptoms, disease progression, or lab trending documented in the note
- EEvaluate: test results, medication response, or physical findings reviewed by the provider
- AAssess: explicit mention in the assessment or plan with acknowledgment of status
- TTreat: medication, referral, procedure, therapy, or counseling tied to the diagnosis
Coder workflow notes
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What This Code Means
P52.0 is the ICD-10-CM diagnosis code for intraventricular (nontraumatic) hemorrhage, grade 1, of newborn. A newborn has mild bleeding in the ventricles of the brain (fluid-filled spaces) that did not result from trauma, representing the least severe grade of this type of brain bleed. P52.0 sits in the ICD-10-CM chapter for certain conditions originating in the perinatal period (p00-p96), within the section covering hemorrhagic and hematological disorders of newborn (p50-p61).
Under the CMS-HCC V28 risk adjustment model, P52.0 maps to Intracranial Hemorrhage (HCC 248) with a source-labeled community, non-dual, aged reference coefficient of 0.239. No V24 mapping is shown for P52.0; use the applicable model and payment year when reviewing the V28 mapping. For CY2026 non-PACE Medicare Advantage, CMS uses 100% of the 2024 CMS-HCC model (V28). PACE uses a separate model blend. Source-labeled code-level coefficients are references, not member totals. Actual contribution depends on complete member context, hierarchy and cleanup rules, interactions, and model year. HCC Buddy's RAF Calculator supports CMS-HCC V28 PY2026 and shows no score unless every required source and calculation check passes.
Grade 1 IVH is the mildest form; document imaging findings (ultrasound or MRI) that confirm the grade. For P52.0, confirm that the documentation supports the diagnosis and meets the applicable coding, encounter, program and payer requirements. MEAT (Monitor, Evaluate, Assess, or Treat) is a review mnemonic, not a universal CMS coding rule. When documentation is ambiguous, coders should issue a provider query rather than assume the highest-specificity variant.
HCC Buddy maintains structured V28 and V24 mapping, source-labeled coefficient references, and MEAT documentation criteria for P52.0 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Grade 1 IVH is the mildest form; document imaging findings (ultrasound or MRI) that confirm the grade
- •Ensure the hemorrhage is nontraumatic to use this code; traumatic IVH requires different coding
Clinical Significance
Grade 1 intraventricular hemorrhage represents the mildest form of bleeding into the brain's ventricular system in newborns, typically confined to the germinal matrix region. While less severe than higher grades, this condition still requires neurological monitoring and may be associated with increased risk of neurodevelopmental complications, particularly in very premature infants.
Documentation Requirements
- ✓Head ultrasound or imaging confirming IVH Grade 1
- ✓Gestational age and birth weight
- ✓Evidence of bleeding confined to germinal matrix
- ✓Exclusion of higher grade hemorrhage
- ✓Serial neurological assessments
- ✓Associated risk factors (prematurity, respiratory distress)
- ✓Follow-up imaging results
- ✓Neurodevelopmental monitoring plan