H21.43 is the authoritative medical code for Pupillary membranes, bilateral. This classification is used in medical billing and clinical recording to specify the clinical criteria for pupillary membranes, bilateral (ICD-10-CM H21.43), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Pupillary membranes, bilateral is a billable ICD-10-CM diagnosis code H21.43. Excludes1 (not coded here): congenital pupillary membranes Q13.8. Excludes2 (not included here): sympathetic uveitis H44.1-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for H21.43 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- congenital pupillary membranes Q13.8
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- sympathetic uveitis H44.1-
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with H21.43?
Per Excludes1 instructions, H21.43 must not be reported with: congenital pupillary membranes (Q13.8).
Can H21.43 be reported alongside related conditions?
Per Excludes2 instructions, H21.43 and the following may both be reported when both are present: sympathetic uveitis (H44.1-).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as H21.43, with their registry titles.
- H21 — Other disorders of iris and ciliary body
- H21.0 — Hyphema
- H21.00 — Hyphema, unspecified eye
- H21.01 — Hyphema, right eye
- H21.02 — Hyphema, left eye
- H21.03 — Hyphema, bilateral
- H21.1 — Other vascular disorders of iris and ciliary body
- H21.1X — Other vascular disorders of iris and ciliary body
- H21.1X1 — Other vascular disorders of iris and ciliary body, right eye
- H21.1X2 — Other vascular disorders of iris and ciliary body, left eye
- H21.1X3 — Other vascular disorders of iris and ciliary body, bilateral
- H21.1X9 — Other vascular disorders of iris and ciliary body, unspecified eye
- H21.2 — Degeneration of iris and ciliary body
- H21.21 — Degeneration of chamber angle
- H21.211 — Degeneration of chamber angle, right eye
- H21.212 — Degeneration of chamber angle, left eye
- H21.213 — Degeneration of chamber angle, bilateral
- H21.219 — Degeneration of chamber angle, unspecified eye
- H21.22 — Degeneration of ciliary body
- H21.221 — Degeneration of ciliary body, right eye
- H21.222 — Degeneration of ciliary body, left eye
- H21.223 — Degeneration of ciliary body, bilateral
- H21.229 — Degeneration of ciliary body, unspecified eye
- H21.23 — Degeneration of iris (pigmentary)
- H21.231 — Degeneration of iris (pigmentary), right eye
- H21.232 — Degeneration of iris (pigmentary), left eye
- H21.233 — Degeneration of iris (pigmentary), bilateral
- H21.239 — Degeneration of iris (pigmentary), unspecified eye
- H21.24 — Degeneration of pupillary margin
- H21.241 — Degeneration of pupillary margin, right eye
- H21.242 — Degeneration of pupillary margin, left eye
- H21.243 — Degeneration of pupillary margin, bilateral
- H21.249 — Degeneration of pupillary margin, unspecified eye
- H21.25 — Iridoschisis
- H21.251 — Iridoschisis, right eye
- H21.252 — Iridoschisis, left eye
- H21.253 — Iridoschisis, bilateral
- H21.259 — Iridoschisis, unspecified eye
- H21.26 — Iris atrophy (essential) (progressive)
- H21.261 — Iris atrophy (essential) (progressive), right eye
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: